Experiment could be male infertility breakthrough

2006-07-11 15:21:12

In a breakthrough that could help improve the treatment of male infertility, scientists have produced mice using sperm grown in the laboratory from embryonic stem cells.

Depression tied to risky teen sex

2006-07-11 09:50:19

Sexually experienced middle- and high-school teenagers with higher levels of depressive symptoms are more likely to engage in risky sexual behavior, a new study shows.

Tobacco may kill 1 billion this century

2006-07-11 09:46:24

Curbing tobacco use and taking other steps to eliminate some of the most common risk factors for cancer could save millions of lives over the next few decades, health officials said Monday.

Volunteer work good for seniors' health

2006-07-10 22:42:22

Retirees who do volunteer work in schools may help not only children but their own health as well, a study suggests.

Pioneer sex researcher dies at 84

2006-07-10 13:27:19

Dr. John Money, a psychologist and sex researcher who coined the terms "gender identity" and "gender role" and was a pioneer in studies of sexual identity, has died. He was 84.

Court: Bare risky sex to partner

2006-07-10 09:52:20

People who spread HIV can be held legally responsible even if they didn't know they had the deadly sexually transmitted disease, California's top court said in an unprecedented ruling.

Obesity, smoking raises impotence risk

2006-07-10 09:46:48

Many of the same things that are good for a man's heart may also be good for his sex life, new research confirms.

Gene study: Sex differences go deep

2006-07-09 09:20:27

Thousands of genes behave differently in the same organs of males and females, researchers reported on Friday.

Death rises in women as obesity worsens

2006-07-07 09:00:37

Obesity is known to increase a person's risk of death and now, new findings from a study of more than 90,000 women indicate that the risk continues to increase as the severity of obesity worsens.

Genes interact affects breast cancer survival

2006-07-06 08:42:38

A variation of a cancer-causing gene called SNP309 interacts with an anti-cancer gene, known as p53, to influence a woman's odds of surviving breast cancer, according to a report in the Journal of the National Cancer Institute.

Study: Breast feeding wards off bed-wetting

2006-07-05 16:25:46

Children breast-fed as infants are less likely to wet the bed later on, researchers reported on Wednesday, probably because they have a developmental edge.

High Tylenol doses linked to liver woes

2006-07-05 10:02:23

Healthy adults taking maximum doses of Tylenol for two weeks had abnormal liver test results in a small study, researchers found, raising concerns that even recommended amounts of the popular painkiller might lead to liver damage.