testosterone

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Missing Genes Can Thwart Doping Tests

Athletes' DNA triggers false negative tests for testosterone

(Newser) - Testosterone injections are among the most common performance-enhancing drugs detected in athlete screenings, but some lucky competitors can take them without fear of exposure, the New York Times reports. Of 55 men given testosterone in a recent study, 17 came up clean on a drug test because they're missing the...

Volatile Market Hooked on Testosterone

Study pinpoints role of bullish hormone in boorish traders

(Newser) - The buying and selling of the world's wealth is at the mercy of aggressive men and their hormonal fluctuations, neuroscientists have discovered. While that doesn't come as a big surprise, the study isolates the major role that testosterone plays in making boorish traders exceptionally bullish—and the part the hormone...

Sex Hormone Tied to Depression
Sex Hormone Tied to Depression
Mar 4, 2008 10:35 AM CST

Sex Hormone Tied to Depression

Mood tracks testosterone levels, study finds

(Newser) - Men with low levels of testosterone are more likely to be depressed, Australian researchers have found, and they recommend that those with abnormally low levels be treated with injections of the sex hormone. A study of men over the age of 70 revealed that those with the lowest testosterone levels...

Sex Drug for Women Being Tested
Sex Drug
for Women Being Tested
Jan 2, 2008 7:09 PM CST

Sex Drug for Women Being Tested

Viagra-like treatment aims to boost female libido, drive

(Newser) - The University of Virginia is set to become the latest institution to test a drug designed to boost the sex drive of women, the AP reports. LibiGel is a testosterone-laden ointment the patient rubs into her skin to increase energy and libido. Decreased sex drive is believed to affect one-third...

Gatlin Gets 4-Year Ban
Gatlin Gets 4-Year Ban
Jan 1, 2008 10:51 PM CST

Gatlin Gets 4-Year Ban

Olympic sprinter thinks vengeful massage therapist may have framed him

(Newser) - Olympic 100-meter champion Justin Gatlin won't be competing this year in Beijing—or in any other track and field meet—after receiving a four-year ban for a failed drug test in 2006. The sprinter had been arguing his case, saying, for one thing, that a prior doping charge shouldn't count...

Women Wired to Fall for Bass Baritones

Study finds evolutionary preference for deep voices

(Newser) - Posh Spice may not agree, but new research shows that women are more drawn to the deep baritone of a Barry White than the higher-pitched squeak of a David Beckham. Studies of the Hadza tribe of Tanzania, whose lifestyle  is similar to that of early man, reveal that men with...

Testosterone in Womb Linked to Autistic Traits

Supports theory that problem is 'extreme male brain' disorder

(Newser) - An eight-year study has found a link between high levels of fetal testosterone and autistic traits in children, reports the BBC. Scientists don't know whether the testosterone causes the autistic tendencies or if the hormone is a by-product of autism, but the findings appear to support the head researcher's theory...

Oh, Brother! Female Twins Less Likely to Have Kids

Blame exposure to testosterone

(Newser) - Female twins with twin brothers are less likely to marry and have kids than those with twin sisters, a new study shows, and those who do reproduce have fewer children. Elevated exposure to testosterone in utero appears to be the culprit, say British scientists who reached back over two centuries...

Stories 41 - 48 | << Prev