Chronic cocaine use may accelerate aging of the brain, a new study suggests. The study found people with cocaine dependence have greater levels of age-related loss of nerve tissue in the brain called gray matter.
Teenagers who play a risky activity called the “choking game” to get high are more likely to engage in other kinds of high-risk behavior, such as drug abuse and sex, than their peers who do not play the game, a new study suggests.
A new study of siblings’ brain structure and function may provide clues to addiction. Time reports that the study suggests at least some brain changes seen in addiction are a cause of excessive drug use, not the result.