NEW YORK (Reuters) - U.S. health regulators declined to approve GlaxoSmithKline's Avodart enlarged prostate drug for reducing the risk of prostate cancer in men deemed to be at increased risk, the British drugmaker said.

CHICAGO (Reuters) - U.S. researchers are closing in on tests that can detect biological signs of Alzheimer's disease, an advance that would improve diagnosis and help in the search for treatments for the mind-robbing disease.

WASHINGTON (Reuters) - Researchers have documented yet another health benefit for circumcision, which can protect men against the AIDS virus, saying it can protect their wives and girlfriends from a virus that causes cervical cancer.

NEW YORK (Reuters Life!) - The 2010 drama "The Kids Are All Right" featured two teens raised by a lesbian couple who decide to contact their biological father -- an experience that is unlikely to leave scars in real life, two studies said.

WASHINGTON (Reuters) - Researchers have documented yet another health benefit for circumcision, which can protect men against the AIDS virus, saying it can protect their wives and girlfriends from a virus that causes cervical cancer.

NEW YORK (Reuters Health) - If you saw the 2010 drama "The Kids Are All Right," in which two teens raised by a lesbian couple decide to make contact with their biological father, you might be wondering: Might such an experience leave psychological scars?

WASHINGTON (Reuters) - U.S. health regulators have approved Endo Pharmaceuticals Holding Inc and ProStrakan Group PLC's Fortesta testosterone gel to treat men with low levels of the hormone.

NEW YORK (Reuters Health) - Older men who opt for hormone-blocking therapy to treat prostate cancer might be slightly raising their risk of developing cataracts, hints new research.

Pa. woman charged with faking cancer diagnosis to get nearly $100,000 in insurance money. Pennsylvania officials say a woman faked having cancer to collect nearly $100,000 in insurance money.

Ore. Sen. Ron Wyden recovering from prostate cancer surgery, expects to be released Tuesday. U.S. Sen. Ron Wyden of Oregon is recovering from prostate cancer surgery.

LONDON (Reuters) - A virus previously thought to be linked to a baffling condition known as chronic fatigue syndrome is not the cause of the disease, scientists said on Monday after their study found previous research was contaminated in the lab.

Oregon Sen. Wyden has prostate cancer, could miss votes on arms treaty, military gay repeal. U.S. Sen. Ron Wyden of Oregon has prostate cancer and will miss late-session votes that could include approval of an arms treaty with Russia and repeal of the "don't ask, don't tell" law on gays in the military, he said Thursday.

Oregon Sen. Wyden has prostate cancer, could miss votes on arms treaty, military gay repeal. U.S. Sen. Ron Wyden of Oregon has prostate cancer and will miss late-session votes that could include approval of an arms treaty with Russia and repeal of the "don't ask, don't tell" law on gays in the military, he said Thursday.

Scientists have taken a first step toward improving problematic PSA tests for prostate cancer, by mixing in some genetic information that might help tell which men really need a biopsy.

Scientists take first step in using genetic markers to customize prostate cancer screening. Scientists have taken a first step toward improving those problematic PSA tests for prostate cancer, by mixing in some genetic information that might help tell which men really need a biopsy.

LONDON (Reuters) - Scientists have found a way to personalize a common prostate cancer test by looking at genetic variations, which should make it more accurate in predicting a man's risk of developing the disease.

NEW YORK (Reuters Health) - Vitamin D deficiency is taking blame for a growing list of health problems. Weak sperm, however, may not be one of them, hints new research.

S. African health department halts rollout of circumcision device, says more research needed. The South African government has halted the rollout of a controversial male circumcision device, health department spokesman Fidel Hadebe said Wednesday.

NEW YORK (Reuters Health) - Old age is no hindrance to benefiting from prostate cancer surgery and radiation therapy, according to a new U.S. study that shows men over 75 often get less effective treatment than their younger peers.

NEW YORK (Reuters Health) - While circumcision has been shown to lower a man's risk of contracting HIV through heterosexual sex, a new study indicates that the value of circumcision for gay and bisexual men remains questionable.