Marijuana Abuse by Adults Increased Markedly During 1990s

While U.S. teens seem to be turning away from the drug, abuse of marijuana by adults increased between 1991 and 2002, according to addiction researchers at the National Institutes of Health. While the number of people reporting use of the drug remained substantially the same, marijuana abuse or dependence increased markedly, especially among young African-American men and women and young Hispanic men. Read more...