Inhalants are common household, industrial and medical products that produce vapors, which some people inhale (breath in) to make them feel intoxicated or high..

According to the National Institutes of Health, humans have been using marijuana, or cannabis, for at least 3,000 years. The Food and Drug Administration has not judged marijuana safe or effective for the treatment of any medical ailment. However, cannabidiol, a component of marijuana, was approved as a treatment for certain types of epilepsy in June 2018.Marijuana’s efficacy is a cure for a wide variety of disorders and an absence of scientific information. It is about its effects has been compounded considerably in recent years by a push for legalization..

Drug addiction, also called substance use disorder, is a disease that affects a person’s brain and behavior and leads to an inability to control the use of a legal or illegal drug or medication. Substances such as alcohol, marijuana, and nicotine also are considered drugs. When you’re addicted, you may continue using the drug despite the harm it causes..

Alcohol use disorder (which includes a level that’s sometimes called alcoholism) is a pattern of alcohol use that involves problems controlling your drinking, being preoccupied with alcohol, continuing to use alcohol even when it causes problems and, having to drink more to get the same effect, or having withdrawal symptoms when you rapidly decrease or stop drinking..