The illegal use of anabolic steroids is so widespread that it has affected the outcome of many sports contests, including the Olympics.
Over 12% of women in the US who drink alcohol have more than seven drinks per week.
The rate of emergency department visits related to marijuana use tends to be slightly higher involving individuals aged 20 years or younger (125.3 visits per 100,000 people) than those aged 21 or older (121.5 visits per 100,000 people).
In the case of heroin, craving and relapse can occur weeks and months after withdrawal symptoms are long gone.