Addiction is nothing new. From TV shows to real life, scenes of substance abuse are pervasive and constant. It'd be pretty challenging to live in the United States and not know that alcohol, cigarette, and drug addiction is a major problem here: 20.2 million U.S. adults (8.4 percent of the population) had a substance use disorder in the past year, according to the Substance Abuse and Mental Health Services Administration (SAMHSA).
But beyond knowing that substance abuse is a dangerous, serious issue that affects millions of Americans, what else do you know about addiction? Here are facts and stats about the six most common substance abuse disorders in the United States to date.