Health problems associated with smoking are a global health issue. Uruguay and Canada teamed up to see whether anti-smoking campaigns in Uruguay have worked.

Past research has already shown links between mothers who smoke and asthma in their children. But what if a mom only smokes while pregnant and quits before giving birth?

It would seem that the dangers associated with tobacco use would be evident all around the world. New research shows that the message isn't as clear in all countries.  

As of right now, there are no drugs on the market to help with cocaine addiction. By combining two drugs already on the market, scientists may have found the solution.

The human brain is still developing in the teen years. Heavy drinking can disrupt proper brain pathway development and impair function.

Alcoholics can have trouble making mental connections due to reductions in white matter in the brain. Each year an alcoholic went without a drink, one percent of white matter grew back.

The risks related to drinking during pregnancy are not limited to fetal alcohol syndrome. A baby's exposure to alcohol before birth can also mean poor growth.

Previous claims that women have a tougher time quitting smoking may not be true. It is possible that men and women have trouble with different aspects of quitting smoking.

The human brain is still in a state of rapid development during the teen years. Can using marijuana disrupt normal brain growth? A recent study followed a group of teens for 15 years to see how marijuana affected their mental health.

Smoking cigarettes and drinking alcohol are two vices that can take a toll on your health in a variety of ways. More specifically, these habits may worsen certain types of arthritis.