It's clear that heavy drinking while pregnant can harm a baby. But research has been less clear about whether only a few drinks makes a difference. Until now.

After Lance Armstrong gave up his case against the US Anti-Doping Agency, the organization and similar ones around the world now have new, more effective tools to find blood dopers.

It looks like a cigarette, feels like a cigarette, but doesn't have the tobacco content or familiar smell of regular cigarettes. Rather, these electronic cigarettes come in a variety of flavors that emit water vapor as they simulate the effect of smoking.

Researchers have found a link between childhood trauma in girls and becoming a smoker later in life.  The same link could not be found with male smokers.

Marijuana is often thought of as a drug that causes relatively little harm compared to other street drugs. But that may not be the case if you're carrying a little one to term.

It's no surprise that smoking is harmful to a pregnant woman's fetus. But smoking can also increase the risk of a woman experiencing a dangerous kind of pregnancy in the first place.

The stress of dealing with infertility take both a physical and emotional toll on women's bodies. Now, there's evidence that this stress can lead to mental health conditions as well.

Chlamydia is the most common and among the most easily treated sexually transmitted diseases, but barely over a third of sexually active women are screened for it each year.

Using ecstasy is no way to escape the discomfort of pregnancy. The first study to look at its impact on babies reveals it can cause developmental delays that might spell trouble later.

Divorce typically increases the odds either party will develop a drinking problem; however if there are already alcohol issues within the home it may do the exact opposite, research finds.