Depression, anxiety and substance abuse may affect many more people than previously thought

By Bruce Bower

“Depression, anxiety disorders, alcohol dependence and marijuana dependence affect roughly twice as many people as had previously been estimated, a new study finds. Nearly 60 percent of the population experiences at least one of these mental disorders by age 32, say study directors and psychologists Terrie Moffitt and Avshalom Caspi, both of Duke University in Durham, N.C.”

http://www.sciencenews.org/view/generic/id/47444/title/Rates_of_common_mental_disorders_double_up