Valium is sometimes used to slightly sedate individuals just prior to minor medical procedures such as dental surgery or other minor operation.
Methamphetamine may dry mucosa which may then lead to more chafing and abrasions in the genital area, which could make methamphetamine users more susceptible to HIV during sexual activity.
Marijuana production in Europe has escalated in recent years, particularly in indoor settings which are predominantly controlled by organized crime groups.
Using a combination of several different types of anabolic steroids is a practice commonly referred to as "stacking."