[Article] Cocain may age the brain

Studies show that middle-aged drug abusers often have problems more commonly seen in the elderly, such as memory loss, increased susceptibility to infection, and higher rates of cardiovascular disease.

People addicted to cocaine also perform poorly on tasks that involve an area of the brain called the prefrontal cortex, such as memory, attention, and reaction time.

Read more : http://news.sciencemag.org/sciencenow/2012/04/cocaine-may-age-the-brain.html