Quitting drugs "cold turkey" can trigger mental decline, according to a new study.
Young homosexuals are more likely to smoke or drink alcohol, according to a new study.
Cocaine doesn't just suppress appetites. It can also prevent the body from storing fat, according to new research.
If the vaccine proves successful in human trials, it could provide relief for the estimated 10 million who are addicted to heroin today.
For the millions of people in the world suffering from substance abuse, there is little help for those who want to quit.
The people who had previously been flagged for Internet addiction reported increased negative moods when they were not on the Internet.