Morphine withdrawal symptoms can last for up to 10 days, while withdrawal from methadone may take weeks or months.
Use of Valium can cause or worsen depression.
Some high school and college students in the U.S. misuse prescription stimulants to improve academic performance, a practice commonly known as academic doping.
There were an over 205,000 drug-related emergency room visits made by people seeking detox or substance abuse treatment services in 2009.