Testosterone

This page contains recent news articles, when available, and an overview of Testosterone but does not offer medical advice. You should contact your physician with regard to any health issues or concerns.


Overview:

Testosterone
(when available)

Pharmacology and use:
Testosterone is an antineoplastic hormonal agent primarily used in the treatment of prostate cancer. Testosterone is a pure, nonsteroidal anti-androgen with affinity for androgen receptors (but not for progestogen, estrogen, or glucocorticoid receptors). Consequently, Testosterone blocks the action of androgens of adrenal and testicular origin which stimulate the growth of normal and malignant prostatic tissue. Prostate cancer is mostly androgen-dependent and can be treated with surgical or chemical castration. To date, antiandrogen monotherapy has not consistently been shown to be equivalent to castration. For topical testosterone replacement therapy in males with deficiency or absence of testosterone

Mechanism Of Action:
Testosterone competes with androgen for the binding of androgen receptors, consequently blocking the action of androgens of adrenal and testicular origin which stimulate the growth of normal and malignant prostatic tissue.

News Articles on Testosterone

PGA Tour's anti-doping policy case involving Doug Barron goes to court  -  14 Nov 2009
BY Michael O'Keeffe Doug Barron was suspended for a year after it was revealed that the golfer took the anabolic steroid testosterone and propranolol, ... New York Daily News

Flattery will get you somewhere  -  14 Nov 2009
The authors of the new study theorize that testosterone or some other aspect of male reproductive fitness is influencing both athleticism and facial ... Boston Globe

A pill for men? Experts say yes, but myths stalk launch  -  14 Nov 2009
Dr Coviello and her colleagues have found that a male contraceptive that releases testosterone over three months is potentially a safe and practical method ... Standard

CHRIS BOARDMAN: I had to give up cycling at 32 because I had the bones of an ...  -  14 Nov 2009
In 1998, Chris was told he was suffering from low bone density thanks to reduced levels of testosterone in his system coupled with a family history of ... Daily Mail

Caster Semenya speaks out on life in the spotlight  -  14 Nov 2009
Questions have been raised over Semenya's gender and the high levels of testosterone in her body. Athletics governing body, the IAAF is expected to make an ... Primedia Broadcasting - Eyewitness News

Watching your own victory gets competitive juices flowing: Study  -  14 Nov 2009
On the other hand, their testosterone levels did not change significantly when they watched themselves lose. Brock graduate student Justin Carre, ... Entertainment and Showbiz!

Foods that contain preservative chemicals, artificial flavouring and colouring ...  -  14 Nov 2009
Hormones responsible for acne include Testosterone (an Androgen), Gonadotrophins, Anabolic Steroids, Coriticosteroids and Adrenocorticotrophic Hormone ... Vanguard

OF HYPOTHESES AND CONCLUSIONS  -  14 Nov 2009
Karen Redwine, a neuro-economist at Whittier College in California found that testosterone causes men to be stingy. A testosterone-containing gel was given ... Financial Express

Slow deer season? Not for these two hunters  -  14 Nov 2009
This fall, theorized Lockwood, the deer experienced a spike in testosterone that caused her to shed the velvet, revealing hardened antlers that are so ... Dallas Morning News

Wisconsin: Buck stops for good  -  14 Nov 2009
A testosterone-charged buck in western Wisconsin locked horns with a formidable opponent this rutting season — and lost. The seven-point buck died after ... Grand Forks Herald

Expert Pediatrician Exposes Vaccine Myths  -  14 Nov 2009
And when you culture the nerve cells and testosterone, versus estrogen, and you expose them to some of the vaccine ingredients like thimerosal, you actually ... Food Consumer

New York Times Gets Vulgar With “Doucheâ€?-Laden Trend Piece  -  14 Nov 2009
12 to 20 (and a certain segment of the testosterone-heavy brotherhood who add the suffix “-bag�) — to make the case for a language-based trend piece. ... Mediaite.com

Healthcare debate unabated  -  14 Nov 2009
...except prescribe him 22 medications including Zometa to prevent bone fractures and Lupron to suppress the release of testosterone which spurs the growth ... Cape Coral Daily Breeze

Brazilian swimmer Gusmao banned for positive test  -  ‎Nov 13, 2009‎
Gusmao's first incident took place in 2006 when she tested positive for high levels of testosterone. She also tested positive for unusual levels of ... Xinhua

Presidential Election Outcome Affected Male Voters' Testosterone Levels, Study ...  -  ‎Oct 20, 2009‎
There is a direct correlation between the outcome of a political election and a man's testosterone level, researchers say in a Duke University study ... FOXNews

Macho, macho man? He's probably a miser  -  ‎Nov 13, 2009‎
Testosterone "causes men essentially to be stingy," neuro-economist Karen Redwine of Whittier College in California said of her recently released study. ... Toronto Star

Postmenopausal Women With Higher Testosterone May Have Greater Heart Disease Risk  -  ‎Nov 4, 2009‎
5, 2009) — Postmenopausal women who have higher testosterone levels may be at greater risk of heart disease, insulin resistance and the metabolic syndrome ... Science Daily (press release)

Leafs lacking 'testosterone and truculence'?  -  ‎Nov 12, 2009‎
But where was the promised testosterone and truculence, Brian Burke buzzwords billed to carry the load when other areas go lacking? ... SLAM! Sports

UPDATE 1-FDA delays Endo's testosterone gel approval  -  ‎Oct 19, 2009‎
O) Fortesta, a gel used to treat testosterone deficiency. The company said it received a complete response letter from the US Food and Drug Administration ... Reuters

LA BioMed to launch study of testosterone in older men  -  ‎Nov 12, 2009‎
..."We may be able to help older men with low testosterone levels remain healthy and independent longer if we find testosterone to be an effective treatment ... EurekAlert (press release)

Desire Drug May Prove Sex Really Is All in Her Head  -  ‎Nov 13, 2009‎
The drug differs from testosterone, a hormone that's also been tested to reawaken women's desire. Berner, interviewed at his study in Freiburg, sketched the ... Bloomberg

Low sex drive? Testosterone gel could help -- or not  -  ‎Nov 2, 2009‎
Pharmaceutical companies promote testosterone gel as an elixir for old men with low energy or low sex drive — but researchers at the ... Pioneer Press

Gatecrash the stag party  -  ‎Nov 13, 2009‎
THE TESTOSTERONE levels on the northwest flanks of Camaderry in early autumn soar high above those at your average teenage disco on a Friday night. ... Irish Times

Golden State Recaptures Record for Longest Roll  -  ‎Nov 10, 2009‎
UC San Diego — Scientists are attempting to ease health conditions in elderly males by putting a little more zest in their peckers, thanks to testosterone ... Daily Nexus

GOP needs problem solvers, not critics  -  ‎Nov 9, 2009‎
George Kocan's archaic mindset that "aggressive, high testosterone men" are needed to score Republican political victories is best left back in the cave ... Chicago Daily Herald

Menopause makes some women more assertive, psychologist says  -  ‎Nov 10, 2009‎
Plano clinical psychologist Sylvia Gearing cites access to testosterone in explaining why her post-menopausal patients' verbal agility and willingness to be ... Dallas Morning News

Adiposity, insulin resistance explain association with testosterone, type 2 ...  -  ‎Nov 11, 2009‎
Postmenopausal women with higher levels of bioavailable testosterone and 17beta-estradiol and lower levels of sex hormone-binding globulin had significantly ... Endocrine Today

Testosterone makes tough muscular men much less generous than weedier peers  -  ‎Oct 27, 2009‎
By Daily Mail Reporter Spurts of exercise increases testosterone levels. A testosterone cream caused a 27 per cent reduction in the generosity of cash ... Daily Mail

The Latest President Obama Criticism: Raging Testosterone  -  ‎Oct 27, 2009‎
In a segment headlined “Too Much Testosterone?� on The O'Reilly Factor last night (10/26/09), O'Reilly explored the front-page story in the New York Times ... News Hounds (blog)

High Testosterone May Raise Cardiac Risks in Older Women Higher levels linked ...  -  ‎Nov 6, 2009‎
6 (HealthDay News) -- Women over the age of 65 years who have higher levels of testosterone may likely be at greater risk of coronary heart disease (CHD), ... ModernMedicine

Casey Anthony case: Report says chloroform found in bottle near Caylee Anthony ...  -  ‎Nov 11, 2009‎
Dr. Michael Rickenbach with the FBI determined that the syringe contained testosterone, ethanol, chloroform, and water. According to Hal Boedeker with the ... Examiner.com

Tonight: Evanescence's Testosterone-Driven Counterpart, Bella Morte, at Rocbar  -  ‎Nov 11, 2009‎
Once more of a straight death-rock band with shades of metal, Bella Morte has steadily grown into testosterone-driven counterpart to Evanescence, ... Houston Press

NIH Looking for a Few Good Old Men with Low Testosterone to Join Clinical Trial  -  ‎Nov 4, 2009‎
4, 2009 – A new clinical trial is seeking men age 65 and older to help determine if low testosterone contributes to serious problems in older men, ... SeniorJournal.com

Effect of the dual 5alpha-reductase inhibitor, dutasteride, on serum ...  -  ‎Nov 9, 2009‎
To investigate the effects of dutasteride on serum testosterone level and body mass index (BMI) in men who received medical therapy for benign prostatic ... UroToday

NIH-Supported Trial to Study Testosterone Therapy in Older Men  -  ‎Nov 7, 2009‎
Low serum testosterone may contribute to a number of problems affecting older men, including decreased ability to walk, loss of muscle mass and strength, ... Ethio Planet News

James Cameron's Avatar: Between Testosterone Movie and Chick Flick  -  ‎Oct 20, 2009‎
I try to do my testosterone movie and it's a chick flick. That's how it is for me. Of course this isn't to say that he's entirely done away with the macho ... ReelzChannel.com

Business Spotlight: Peak Performance Medical Center  -  ‎Nov 12, 2009‎
Peak Performance Medical Center is a male clinic specializing in improved sexual performance through testosterone replacement therapy and the treatment of ... Gay and Lesbian Times

TRAILER: Clash of the Titans  -  ‎Nov 11, 2009‎
It looks like they pumped a 13 year old full of testosterone and the ghost of Zack Snyder and told him to do likewise. I don't understand this style of ... Big Shiny Robot!

Dr. Oz tv show recap, episode 44: Dr. Oz is surprised with 2 guests from his past  -  ‎Nov 12, 2009‎
Men can produce healthy sperm into their 80's unless testosterone levels drop or there is testicle damage. 2) Do men need sex more than women? ... Examiner.com

Criterion Developing Next Need for Speed, Out in 2010  -  ‎Nov 9, 2009‎
Criterion Games, the UK developer behind the testosterone-fueled Burnout series, is in the middle of development for the next entry in the Need for Speed ... Kombo.com

Soundbite: Is Bipartisan Testosterone Turning Off Women and Independents?  -  ‎Nov 9, 2009‎
...“Sunday shows are usually a little more boring than that, that was like a testosterone overload yesterday ... Mediaite.com

Lawn statue wins in battle with buck  -  ‎Nov 10, 2009‎
A testosterone-charged buck in western Wisconsin locked horns with a formidable opponent this rutting season -- and lost. The 7-point buck died after ... Chicago Tribune

Docs decide the time is right to recommend an erectile dysfunction drug  -  ‎Oct 20, 2009‎
The physicians group limited themselves to comparing ED drugs with testosterone therapy alone. They did not consider alternative treatments for erectile ... Los Angeles Times

Man Studies 101: taking the testosterone test  -  ‎Nov 11, 2009‎
This past week, a lifelong dream of mine came true. I am now officially an endangered species. That's right — I am a male attending university. ... The Gateway Online

Tokai Pushes Edge With Three-Pronged Attack on Prostate Cancer  -  ‎Nov 10, 2009‎
Scientists have known for decades that prostate cancer cells thrive on testosterone and one of its byproducts in the body, so standard treatment has long ... Xconomy

Some men go through 'the change', too  -  ‎Nov 9, 2009‎
Three years ago, Bernard (not his real name) suffered from the ill effects of falling testosterone levels (or andropause). "Something was wrong with me, ... Channel News Asia

The Sex of Athletes: One Issue, Many Variables  -  ‎Oct 25, 2009‎
But it allows born-females with adrenal tumors to compete as women, even though their bodies may have higher levels of testosterone than the average male. ... New York Times

Patrick Gaspard, the White House's political director, keeps it cool and calm  -  ‎Nov 1, 2009‎
Asked about how Gaspard fits in amid the high-testosterone level of the Obama White House, David Plouffe, the former Obama campaign manager and a strong ... Washington Post

'Pirate Radio'  -  ‎Nov 12, 2009‎
You just know there's not enough mood music in the world to avert this testosterone showdown, and since boys will be boys, you also know it will entail ... Los Angeles Times

Testosterone Sales Soar Thanks To Aging Boomers  -  ‎Nov 2, 2009‎
A BusinessWeek story about soaring sales of testosterone aroused my attention this weekend. (OK, I admit that was an obvious pun. ... NPR

Testing Benefits and Levels of Testosterone Is Difficult  -  Jul 28, 2006
Floyd Landis leaving the testing facility after the last stage of the Tour de France. By GINA KOLATA. The indication that Floyd Landis might have taken ... New York Times

Experts consider testosterone test accurate  -  Aug 5, 2006
AP. AP file. NEW YORK - The test to detect synthetic testosterone — used on Tour de France winner Floyd Landis' urine sample — is highly accurate, ... msnbc.com

Tests showed presence of synthetic testosterone  -  May 11, 2007
By Bonnie DeSimone. Floyd Landis' "A" urine sample taken July 20 after his Stage 17 win at the Tour de France and tested at the Laboratoire National du ... ESPN

Tour de France Doping Scandal Beer, Whiskey, Testosterone and Misery  -  Jul 31, 2006
By Maik Grossekathöfer, Detlef Hacke and Udo Ludwig. US cyclist Floyd Landis says his high testosterone may have come from his pre-race drinking binge. ... Spiegel Online

Study: Testosterone Fuels Stock-Market Success  -  Apr 15, 2008
By Jeanna Bryner. As bleary-eyed traders prepare for the market to open, they might want to check their blood levels. A high testosterone reading could ... FOXNews

Testosterone Patch Restores Libido in Postmenopausal Women  -  Nov 5, 2008
By Serena Gordon. WEDNESDAY, Nov. 5 (HealthDay News) -- There aren't a lot of treatment options for older women with flagging libidos, but a new study ... BusinessWeek

Drugs In Sport: Gatlin fears life ban after test shows high testostero...  -  Jul 30, 2006
..."I have been informed by the United States Anti-Doping Agency that after a relay race I ran in Kansas City on 22 April, I tested positive for 'testosterone ... Independent

Under Oath, Landis Denies Having Used Testosterone  -  May 20, 2007
By LEE JENKINS. MALIBU, Calif., May 19 — After five days of dense scientific testimony, revelations of sexual abuse and accusations of blackmail, ... New York Times

Hornaday admits using testosterone, obtaining HGH  -  Sep 12, 2008
By Shaun Assael. MOORESVILLE, NC -- Over a two-year period from December 2004 to January 2006, Ron Hornaday, the defending champion of the NASCAR Craftsman ... ESPN

Paper: Landis had synthetic testosterone  -  Aug 2, 2006
BEIJING, Aug 2 -- Test show that some of the testosterone in Floyd Landis' system at the Tour de France was synthetic and not naturally produced by his body ... 新�网

Benoit's testosterone was 10 times normal level  -  Jul 20, 2007
DECATUR, Ga. - Pro wrestler Chris Benoit had more than 10 times the normal level of testosterone in his system when he killed his wife and young son and ... msnbc.com

NFL Plans to Strengthen Tests for Elevated Testosterone Levels  -  Mar 30, 2005
By Erik Matuszewski. March 30 (Bloomberg) -- The National Football League wants to tighten limits for testosterone to bring its steroid policy in line with ... Bloomberg

Wrestler Chris Benoit Used Steroid Testosterone; Son Sedated Before …  -  Jul 17, 2007
AP. DECATUR, Ga. — Professional wrestler Chris Benoit had an elevated level of testosterone in his system but no other steroids in his body, ... FOXNews

High Testosterone Means High Profits  -  Apr 14, 2008
By Adam Smith/London Monday, Apr. 14, 2008. According to new research, the higher a trader's morning testosterone level, the more money he'll likely have ... TIME

Low testosterone tied to heart disease risk in men.  -  May 16, 2005
MILWAUKEE _ Low testosterone and other symptoms of so-called male menopause appear to increase a man's risk of developing heart disease, according to a ... Free with registration - Milwaukee Journal Sentinel - AccessMyLibrary.com

… allegation: Nike contract under review; denies rubbing testosterone...  -  Aug 3, 2006
Gatlin said he never knowingly used testosterone. He can present any evidence he has of sabotage to the US Anti-Doping Agency review board charged with ... Free with registration - Chicago Tribune - AccessMyLibrary.com

Study suggest testosterone levels may be driven by looks  -  Jun 2, 2008
By Roger Highfield, Science Editor. When you walk out in a new outfit for the first time and feel "like a million dollars" the effects could be more than ... Telegraph.co.uk

Study: Testosterone level not key to women's libido  -  Jul 6, 2005
By Marie McCullough. PHILADELPHIA — The quality of women's sex lives has nothing to do with the amount of testosterone in their blood, a new study concluded ... Seattle Times

Testosterone protects brain in men with MS  -  May 15, 2007
Testosterone can help protect against brain shrinkage in men with multiple sclerosis (MS), a small, preliminary trial suggests. ... New Scientist

Synthetic Testosterone Seemed Like a Good Idea. Then Came Fertility …  -  Jun 20, 2005
By KAREN ALEXANDER. BROWSE the Internet for information about anabolic steroids, and you will discover a story of turbocharged manhood: huge muscles, ... New York Times

Testosterone does not improve function in older men  -  Jan 1, 2008
NEW YORK (Reuters Health) - Although use of testosterone supplements may increase lean body mass and reduce fat mass in older men, it does not improve ... Reuters

Low Testosterone Levels Linked to Increased Mortality  -  Jun 6, 2007
By Jeffrey Perkel. TUESDAY, June 5 (HealthDay News) -- Men 50 and older with low levels of testosterone may be at higher risk of dying within 20 years than ... Washington Post

Bigger breasts, more testosterone ; Is it possible to compete in any...  -  Aug 8, 2006
Olympic gold medal sprinter [Justin Gatlin] has tested positive for elevated levels of testosterone. Tribune photo by Nuccio DiNuzzo The body types of Miss ... Pay-Per-View - Chicago Tribune - ProQuest Archiver

Analysis Backs Testosterone for Libido Loss  -  Sep 20, 2005
A new analysis of published research suggests that testosterone therapy may aid many post-menopausal women dealing with loss of libido. ... Washington Post

'Testosterone link' to depression  -  Mar 4, 2008
Older men with lower levels of the male sex hormone testosterone in their blood may be more prone to depression, a study suggests. ... BBC News

High testosterone linked to men's lower death risk  -  Nov 27, 2007
By Will Dunham. WASHINGTON (Reuters) - Higher naturally occurring levels of the male hormone testosterone appear to protect men from fatal heart attacks or ... Reuters India

Birth Control Pills May Produce Protracted Effects on Testosterone...  -  Jan 3, 2006
The effect persisted even for women who used transdermal testosterone ... The treatment was a testosterone gel applied daily, typically at 10% of the amount ... CNN

… : T-Mobile fires Tour de France rider for 'secretly' using testoster...  -  Jul 31, 2007
BERLIN — T-Mobile has fired Patrik Sinkewitz, its German rider, after he admitted taking the male sex hormone testosterone before the Tour de France this ... New York Times

Testosterone patch to restore sexual desire  -  Jul 26, 2005
By Sam Lister, Health Correspondent. A PATCH that delivers small quantities of testosterone into the body may increase sexual desire and satisfaction in ... Times Online

Men with high testosterone attracted to women with feminine faces  -  Sep 15, 2008
Men with high levels of testosterone are attracted to women with highly feminine faces, a new study suggests. By Auslan Cramb, Scottish Correspondent ... Telegraph.co.uk

Tagliabue: NFL to adopt Olympic testosterone standard.  -  Apr 12, 2005
DALLAS _ The NFL and the Players Association have come to an agreement to lower the allowable testosterone level, keeping in line with standards set up by ... Free with registration - Dallas Morning News - AccessMyLibrary.com

Star sprinter Gatlin tests positive for testosterone.  -  Jul 29, 2006
CHICAGO _ First, the winner of cycling's premier race. Two days later, the winner of track and field's signature event. Never has the credibility of sport ... Free with registration - Chicago Tribune - AccessMyLibrary.com

Prenatal testosterone may play autism role: study  -  Sep 11, 2007
By Michael Kahn. YORK (Reuters) - Children exposed to high levels of testosterone in the womb showed more autism-related traits later in life, according to ... Reuters

Lower testosterone in men can lead to earlier death  -  Jun 17, 2008
By Roger Highfield, Science Editor. The findings back previous evidence that some men could benefit from 'testosterone replacement therapy' - the equivalent ... Telegraph.co.uk

Faithful fathers...it's down to testosterone  -  Nov 9, 2005
...by FIONA MACRAE, Daily Mail. Women must have resorted to every ruse imaginable to ensure their husbands don't stray. But nature, it seems, has its own way ... Daily Mail

Thorpe showed 'abnormal levels' of testosterone: report  -  Apr 1, 2007
AP. Five-time Olympic gold medallist swimmer Ian Thorpe showed "abnormal levels" of two banned substances in a doping test last year, the French sports ... CBC.ca

Testosterone Down, Death Risk Up  -  Aug 17, 2006
Low testosterone may boost the risk of death in men over 40, a new study has found. A US team found that older men with relatively low testosterone had an ... Forbes

Testosterone Therapy May Reduce Bone Loss in Older Men  -  Apr 7, 2008
By Steven Reinberg. MONDAY, April 7 (HealthDay News) -- Injections of testosterone appear to improve bone density and reduce bone loss in older men who have ... Washington Post

Cyclist Landis positive for synthetic testosterone in "B" sample  -  Apr 24, 2007
Tour de France champion Floyd Landis of the United States was found traces of synthetic testosterone in the follow-up tests, a report said on Monday. ... 中国日报 - 中国日报

NFL adopts Olympic testosterone standards  -  Apr 13, 2005
By AP | April 13, 2005. The NFL and its players have agreed to follow stricter standards for testosterone levels for the start of next season. ... Boston Globe

Testosterone Supplements Slow Alzheimer's in Mice  -  Dec 20, 2006
WEDNESDAY, Dec. 20 (HealthDay News) -- Low levels of testosterone hastened the development of Alzheimer's-like disease in mice but testosterone replacement ... Washington Post

Testosterone therapy: Can it help older men feel young again?  -  Apr 12, 2008
Some men are interested in testosterone therapy even if their testosterone levels are considered normal. Find out whether testosterone therapy could be ... CNN

Low testosterone 'death risk'  -  Jun 5, 2007
Low levels of testosterone may increase the risk of death in men over the age of 50, US research suggests. A study of 800 men over 50 found that those with ... BBC News

Men with low testosterone risk early death  -  Aug 15, 2006
Chicago - Low levels of testosterone, the male sex hormone associated with virility and energy, may also indicate if a man will die soon, a study said on ... Independent Online

High Testosterone Levels May Increase Risk of SIDS  -  Nov 18, 2005
Infants with elevated testosterone levels may face a higher risk of sudden infant death syndrome (SIDS), a new study suggests. ... FOXNews

Is estrogen testosterone for women?  -  May 1, 2008
By Maggie Fox, Health and Science Editor. WASHINGTON (Reuters) - Estrogen fuels feelings of power and competition in women in much the same way testosterone ... Reuters

Synthetic testosterone found in Landis' 'B' sample; Tour winner...  -  Apr 12, 2007
By Sal Ruibal, USA TODAY. Floyd Landis remains optimistic despite Saturday's second positive doping sample from the Tour de France that triggered his ... USA Today

Testosterone therapy: The answer for aging men?  -  Apr 14, 2006
The possibilities are enticing — increase your muscle mass, sharpen your memory and mental focus, boost your libido, and improve your energy level. ... cnn.com

Testosterone gel benefits some men with diabetes  -  Jun 18, 2008
By Megan Rauscher. NEW YORK (Reuters Health) - Men with type 2 diabetes or the metabolic syndrome, or both, are prone to have low testosterone levels. ... Reuters

Panthers case raises concerns about naturally occurring substances  -  Mar 30, 2005
No urine test exists for HGH, and the body's testosterone levels can vary daily. ... The Olympic T/E (testosterone-to-epitestosterone) ratio was adjusted in ... USA Today

Testosterone pills: How safe for aging men?  -  Aug 14, 2007
By Megan Rauscher. NEW YORK (Reuters Health) - Testosterone supplements may make aging men feel and look better, but the results of a study conducted in ... Reuters

2 steroid supplements fail in antiaging test - Testosterone and DHEA...  -  Oct 19, 2006
Author: Mike Stobbe AP. Widely used supplements and testosterone patches failed to deliver their touted antiaging benefits in one of the first rigorous ... $2.95 - Philadelphia Inquirer - NewsBank

Hornaday admits using testosterone, obtaining HGH  -  Sep 10, 2008
By Shaun Assael. MOORESVILLE, NC -- Over a two-year period from December 2004 to January 2006, Ron Hornaday, the defending champion of the NASCAR Craftsman ... ESPN

Low Testosterone Symptoms Rare  -  Sep 14, 2007
As many as25% of men have low testosterone levels -- but fewer than 6% of men have low T plus symptoms of androgen deficiency, a new study finds. ... CBS News

Testosterone Can't Turn Back the Clock  -  Oct 18, 2006
...by LISA PHILIPOSE. Sex hormone levels drop as you age -- and as they do, so does your sexual desire, energy and mood. But could replacing lost hormones ... ABC News

CONGRESS SET TO TACKLE NFL. Probe of Panthers makes it open …  -  Apr 1, 2005
One of the issues sure to be raised is the threshold for testing steroid levels in the body (steroids are synthetic testosterone). ... New York Daily News

Humour 'comes from testosterone'  -  Dec 21, 2007
Men are naturally more comedic than women because of the male hormone testosterone, an expert claims. Men make more gags than women and their jokes tend to ... BBC News

Most men with low testosterone not treated  -  May 27, 2008
WATERTOWN, Mass., May 27 (UPI) -- Most US men with androgen deficiency -- lower amounts of male hormones -- may not be receiving treatment despite access to ... United Press International

Drop in Testosterone Levels in US Men, Study Finds  -  Oct 26, 2006
By Miranda Hitti. A new study shows a drop in average blood levels of testosterone in middle-aged Boston men over the last 20 years. ... FOXNews

Oilers' loss may be due to lower testosterone  -  Jun 20, 2006
TORONTO -- A Canadian researcher has one theory that may partly explain why the Edmonton Oilers ran out of gas and lost hockey's most coveted trophy to the ... CTV.ca

Low Testosterone Levels in Women May Boost Heart Risk  -  Jul 10, 2007
Low levels of testosterone in postmenopausal women may be associated with an increased risk of heart disease, concludes a Belgian study of 112 women. ... ABC News

More Sleep, More Testosterone  -  Apr 2, 2007
By Brandon Keim. Guys who run on five or six hours of sleep often resist — despite research to the contrary — the notion that more shuteye means better ... Wired News

Polygamous men have lower testosterone  -  Oct 11, 2007
LAS VEGAS, Oct. 11 (UPI) -- US researchers studying male herders in Kenya find men with more than one wife have lower testosterone levels than monogamously ... United Press International

FIFA conducting study on natural testosterone levels in various...  -  Jun 13, 2007
By Erica Bulman, AP Sports Writer. GENEVA — Soccer's governing body is conducting a worldwide study to determine if players from various ethnic populations ... USA Today

Testosterone seen unrelated to prostate cancer risk  -  Jan 30, 2008
By Michael Kahn. LONDON (Reuters) - Natural levels of a man's testosterone do not affect his prostate cancer risk as some had thought, a finding that should ... Reuters India

Low Testosterone Could Weaken Older Men's Bones  -  Jan 14, 2008
By Robert Preidt. MONDAY, Jan. 14 (HealthDay News) -- Low testosterone levels may boost the risk of fractures for men over 60, an Australian study finds. ... ABC News

Testosterone Associated With Disease Transmission  -  Aug 8, 2008
By Robert Preidt. FRIDAY, Aug. 15 (HealthDay News) -- In mice, high levels of the male sex hormone testosterone may play an important role in the spread of ... ABC News

SCIENCE FILE; Science in Brief; Testosterone for fun -- and profit  -  Apr 19, 2008
Testosterone, the hormone that drives male aggression and sexual interest, also seems able to boost short-term success at finance. ... Pay-Per-View - Los Angeles Times - ProQuest Archiver

Autistic traits linked to testosterone in mother's womb  -  Sep 14, 2007
Autism-like behaviour in children is linked to the amount of testosterone they receive whilst in their mother's womb, according to a long term study of ... guardian.co.uk

Birds Gone Wild: Extra Testosterone Makes Males Irresistible  -  May 30, 2006
By Robert Roy Britt. Given a boost of testosterone, young male songbirds sing more sweetly, fly farther, and are more attractive to the females. ... FOXNews

Testosterone Supplements May Pose Health Risk to Men: Study  -  Jan 15, 2008
Testosterone supplements may pose an "urgent" health risk to men, warn the Texas authors of a study in the current issue of the journal Clinical Cancer ... ABC News

Testosterone linked to lower death risk  -  Nov 26, 2007
By Will Dunham. WASHINGTON (Reuters) - Higher naturally occurring levels of the male hormone testosterone appear to protect men from fatal heart attacks or ... Reuters UK

Floyd Landis timeline  -  Sep 20, 2007
January: WADA chief Dick Pound, discussing Landis' alleged testosterone levels with a New York Times Magazine writer, comments, "You'd think he'd be ... ESPN

Landis tests show testosterone traces-report  -  May 1, 2007
PARIS, April 23 - Further analyses of urine samples from 2006 Tour de France winner Floyd Landis have shown traces of synthetic testosterone, ... ESPN

'Menopausal' men could get sexual boost from HRT  -  Oct 29, 2008
The good news is that testosterone supplements might help treat the problem. Though testosterone is sometimes prescribed for ageing men in Europe and the US ... New Scientist

Obese men, girls see unusual testosterone levels  -  Dec 12, 2006
WASHINGTON (Reuters) - Obese men often experience a sharp decline in testosterone levels while obese girls show much higher levels of the sex hormone than ... Reuters

Taking the measure of testosterone therapy .  -  Nov 9, 2005
...predictable in regulating testos terone, and production within the testes drops off. Worse, the testosterone still produced is less able to enter the cells ... Pittsburgh Post-Gazette - Google News Archive

Nutrition: No Gain for Elderly From DHEA or Testosterone  -  Oct 31, 2006
By NICHOLAS BAKALAR. Neither testosterone replacement nor the widely sold anti-aging diet supplement DHEA has any discernible beneficial effects in elderly ... New York Times

Kessler fired as 'B' test positive for elevated testosterone  -  Jul 13, 2007
AP. GENEVA -- The Astana cycling team fired Matthias Kessler after his "B" sample showed abnormally elevated levels of testosterone. ... ESPN

Cycling-Italian Moreni tests positive for testosterone  -  Jul 25, 2007
COL D'AUBISQUE, France, July 25 - Italian Cristian Moreni of the Cofidis team has tested positive for the male sex hormone testosterone during the Tour de ... ESPN

ProStrakan licenses testosterone gel to Bayer Schering  -  Nov 27, 2008
Nov 27 (Reuters) - UK speciality pharmaceuticals company ProStrakan Group Plc (PSK.L: Quote, Profile, Research) on Thursday said it gave an exclusive ... Reuters India

… | Sylvester Stallone | Steroids Use | New Rambo Movie | Testosteron...  -  Jan 26, 2008
..."Testosterone to me is so important for a sense of well-being when you get older. Everyone over 40 years old would be wise to investigate it because it ... Oneindia

US: Benoit Given Excessive Testosterone  -  Oct 8, 2007
Michael Benoit, father of the late Chris Benoit, and Dr. Julian Bailes of the Sports Legacy Institute, tell Hannah Storm that chronic brain damage played a ... CBS News

Report: Testosterone Patch Improves Sexual Desire in Women  -  Aug 15, 2007
Women with low libidos appear to get a boost in sexual desire through the use of testosterone patch treatment, according to new research. ... FOXNews

Testosterone, estrogen combo raises breast cancer risk: study  -  Jul 24, 2006
Women who take testosterone and estrogen to relieve menopausal symptoms may increase their risk of breast cancer, a new study suggests. ... CBC.ca

Manager accused of blackmail  -  May 18, 2007
Landis, who tested positive for excessive testosterone levels during the race ... Landis first argued that he had naturally high testosterone, despite the ... New York Daily News

German Team Doctor Admits He Gave Cyclists Testosterone  -  May 27, 2007
By AP. BERLIN, May 26 (AP) — The doping scandal in German cycling spread to the amateur ranks when an Olympic team doctor admitted providing ... New York Times

Does Testosterone Build a Better Athlete?  -  Aug 10, 2006
By NATASHA SINGER. TESTOSTERONE injections can make male rats more aggressive in marking their territories, cause castrated red deer to grow antlers, ... New York Times

Testosterone may guard against eating disorders  -  Mar 4, 2008
NEW YORK (Reuters Health) - Research suggests that young adult women exposed prenatally to testosterone have a reduced likelihood of developing eating ... Reuters UK

Book alleges Sheffield injected testosterone, HGH  -  Mar 22, 2006
Yankees slugger Gary Sheffield injected testosterone and human growth hormone in January 2002, according to the latest revelations in "Game of Shadows," a ... ESPN

Indevus shares soar on positive testosterone drug news  -  Sep 26, 2008
Sept 26 (Reuters) - Shares of Indevus Pharmaceuticals (nasdaq: IDEV - news - people ) more than doubled after the company reached a deal with US health ... Forbes

Tests Suggest Revival Of Well-Known Drugs  -  Aug 22, 2006
Landis tested positive for the steroid testosterone. Gatlin tested positive for testosterone or its precursors. In initial testing, Jones tested positive ... Washington Post

Report: Steroids, testosterone were sent to Glaus  -  Sep 7, 2007
Former World Series MVP and four-time All Star Troy Glaus received multiple shipments of performance-enhancing drugs via a Florida pharmacy and a California ... ESPN

Joe Biden is made of testosterone and strong verbs  -  Oct 3, 2008
The media is piling on Sarah Palin after last night's debate, but all I can think about is her opponent. A few weeks ago, I forgot about Joe Biden. ... Salon

Choices: Testosterone Matters, but Only in the Short Term  -  May 23, 2006
By NICHOLAS BAKALAR. Women can tell whether a man has high testosterone levels and whether he likes children just by looking at his face, a new study has ... New York Times

Technician defends Landis work -- latimes.com  -  May 16, 2007
She ruled that the A-sample was positive for testosterone doping. She also verified, or double-checked, a second analyst's carbon isotope test on Landis' ... Los Angeles Times

Testosterone Gives Male Birds Their Color, Scientists Say  -  Nov 22, 2006
New research suggests that as testosterone in male birds increases, so does the level of carotenoids, the chemicals that create the bright coloring on ... National Geographic

Indevus says testosterone therapy trial meets goal  -  Jun 7, 2007
June 7 (Reuters) - Indevus Pharmaceuticals Inc. IDEV.O said a late-stage trial of its injectable testosterone therapy for the treatment of male hypogonadism ... Reuters

… injectable drug that fights prostate cancer by lowering testosteron...  -  Dec 29, 2008
The injectable treatment from privately held Ferring Pharmaceuticals fights the cancer by lowering levels of testosterone, which promotes the growth of ... Minneapolis Star-Tribune - Minneapolis Star Tribune

Indevus shares plunge on testosterone drug delay  -  Jun 4, 2008
Shares of Indevus Pharmaceuticals Inc. plunged today after the company said its injectable testosterone drug candidate will face a regulatory delay of up to ... Boston Globe

Brand Names/Synonyms:
Testosterone is also known by the following brand names and/or synonymsAA 2500; Andriol; Andro; Andro 100; Andro L.A. 200; Androderm; Androgel; Android 10; Android 25; Android 5; Androlin; Andronaq; Andronate 100; Andronate 200; Andropatch; Andropository 200; Andrusol; Andryl 200; Beta Testosterone; CCRIS 574; CDB 111C; COL 1621; CP 601B; Cristerona T; Cristerone T; Dea No. 4000; Delatest; Delatestryl; Depo-Testosterone; Depo-Testosterone Cypionate; Depotest; Dofsol; Everone 200; Geno-Cristaux Gremy; HSDB 3398; Homosteron; Homosterone; Libigel; Malerone; Malestrone; Malogen in Oil; Malogen, Aquaspension Injection; Mertestate; Metandren; Methyltestosterone; NSC 9700; Neo-Hombreol F; Neo-Testis; Neotestis; Oreton; Oreton F; Oreton Methyl; Oreton-F; Orquisteron; Perandren; Percutacrine Androgenique; Primotest; Primoteston; Relibra; Scheinpharm Testone-Cyp; Striant; Sustanon; Sustanone; Sustason 250; Synandrol F; T-Cypionate; TES; Teslen; Testamone 100; Testandrone; Testaqua; Testex; Testiculosterone; Testim; Testobase; Testoderm; Testoderm Tts; Testogel; Testoject-50; Testolin; Testopel Pellets; Testopropon; Testosteroid; Testosteron; Testosterona [Inn-Spanish]; Testosterone; Testosterone Cypionate; Testosterone Enanthate; Testosterone Hydrate; Testosterone Propionate; Testosterone [Ban:Inn]; Testosterone and Its Esters; Testosteronum [Inn-Latin]; Testostosterone; Testoviron; Testoviron Schering; Testoviron T; Testred; Testred Cypionate 200; Testrin-P.A; Testro Aq; Testrone; Testryl; Trans-Testosterone; Virilon; Virilon Im; Virormone; Virosterone

Drug Category:
Testosterone is categorized under the following by the FDA: Antineoplastic Agents; Anabolic Agents; Androgens; ATC:G03BA02; ATC:G03BA03; ATC:G03EK01

Dosage Forms:
CAPSULE; GEL; LIQUID; PATCH; SOLUTION; SUSPENSION

Absorption:
Approximately 10% of the testosterone dose applied on the skin surface from AndroGel® is absorbed into systemic circulation

Interactions:
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Chemical IUPAC Name:
17-hydroxy-10,13-dimethyl-1,2,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydrocyclopenta[a]phenanthren-3-one





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