Opiate withdrawal symptoms are often described as similar to the flu but much worse and can cause aching, fever, sweating, shaking, or chills.
Marijuana users entering substance abuse treatment in the U.S. are most likely to be male.
Some high school and college students in the U.S. misuse prescription stimulants to improve academic performance, a practice commonly known as academic doping.
Antidepressant withdrawal syndrome symptoms are typically associated with significant discomfort, work absenteeism, other psychosocial problems.