Experimenting with illegal drugs can spiral into more dangerous choices and health consequences. Once kids start shooting up, they become at risk for serious diseases.

A cure for Lou Gehrig's disease has yet to be discovered. As researchers explore possibilities, a new study has shown that what was thought to be a potential new medication for the condition might not be the answer. 

For many seniors, the fear of falling can be nearly as troubling as the act of falling itself. And certain groups of seniors may be more likely to have this fear.

Sometimes cancer needs more than one kind of treatment to shrink or disappear. That’s why treatment often includes a mixture of surgery, radiation and/or chemotherapy. In a recent study, ovarian cancer responded to a double-pronged attack.

Air pollution levels around the globe have been rising in recent years. Millions of people die each year from this pollution, as toxins not only cause lung problems but heart trouble as well.

Working overnight shifts can disrupt sleep patterns and potentially have negative effects on a person's long-term health. It's possible that mental function could be affected.

Some pregnant women are at higher risk than others for having their baby too early. These women are often given a medication to reduce risks to their babies.

Typically, pregnant women are discouraged from eating while in labor because of possible risks. But that "rule" may be loosening some.

Plenty of people fuel their workouts with protein and other supplements. Unfortunately, it's not always clear what may be added to these supplements. In some cases, dangerous substances have been found in products sold as natural supplements.

Smoking is unhealthy — no doubt about it. And new research is suggesting that the habit might be even worse than previously thought.