Nine out of 10 Americans who meet the medical criteria for addiction started smoking, drinking, or using other drugs before age 18, according to a national study released today by The National Center on Addiction and Substance Abuse (CASA) at Columbia University.
Adolescent Substance Use: America’s #1 Public Health Problem reveals that adolescence is the critical period for the initiation of substance use and its consequences. The CASA report finds 1 in 4 Americans who began using any addictive substance before age 18 are addicted, compared to 1 in 25 Americans who started using at age 21 or older. > > > > Read More