Having a traumatic brain injury is a scary, life changing event. It is now known that the risk of developing major depression during the first year after a brain injury is quite high.

Why one person is inclined to drink more than another, isn't because they are just thirstier. Until now, alcohol dehydrogenase, an enzyme that breaks down alcohol in the liver, was the only gene known to contribute to drinking style.

Previous research argued that patients with bipolar disorder, or manic-depressive disorder, are more likely to be violent. Is this increased violence due to the bipolar disorder alone, or caused by other aspects of the individual's behavior?

Naltrexone’s success in treating alcoholisim lies in its ability to block the feelings of euphoria alcohol provides to a significant number of alcoholics.

Patients who get lung cancer as a result of years of cigarette smoking have often tried (and failed) to quit on multiple occasions. Those who are able to suddenly and successfully quit after decades of smoking may be able to do so from a sinister cause.

Most smokers with diabetes know they have high blood sugar levels. Until recently, researchers did not know which cigarette ingredient was causing blood sugar to rise. A new study shows that nicotine may be the cause.

Earlier this year, a French man claimed that the drugs he was taking for Parkinson's disease made him addicted to gambling. Adding support to these claims, a new study shows that Parkinson's drugs can lead to impulse control problems.

Every year, college students around the U.S. plan to party hard during spring break. The understandings that these students have with their friends about alcohol and sex are predictors of their behavior.

As the FDA and state governments are cracking down on the sale of caffeinated alcoholic beverages, a recent article outlines the extent of the public health problem posed by such beverages.