The brain is more likely to act impulsively while trying to multitask. Inhibiting motor actions forces a person to concentrate only on one task and potentially make a better decision.

One weight loss surgical procedure in particular is suspected to increase a patient’s chances of developing alcoholism two years after surgery. Good support networks and healthcare practices may help lower risk.

Scientists have developed a cocaine vaccine that uses the common cold virus to engage the immune system and blocks the drug’s absorption. Early stages of testing show great promise.

To drink or not to drink? Such is the question for many expectant moms who would love to have that single glass of wine but worry about its impact on their developing baby.

In schools where drinking isn’t something everyone does, those who do drink can often feel outcast. This isolation can cause grades to slip over time.

Since 1985, the text-only Surgeon General warning has been on the side of every single cigarette pack sold in the United States.

About 50 percent of all cancers are related to tobacco use, which also interferes with the effectiveness of treatments. A person's history with tobacco is important if they're participating in a cancer study. 

Most smoking cessation studies are done on middle-aged subject’s statistical data. Recent evidence suggests that quitting smoking even in a person’s 80s can extend and improve life.

Adolescents who get treatment for their major depressive disorder ( MDD ) before they begin abusing drugs are less likely to start. Early treatment is the best prevention method.

The reasons to quit smoking keep adding up. If you're a parent who smokes, the secondhand smoke your children inhale may contribute to bladder problems.