Substance use disorder, formerly known as “drug abuse,” develops when substance ... s specific reaction to the substance. For example, low doses of depressants can actually have a stimulant ...

The bill would permanently schedule fentanyl-related substances as Schedule I drugs—and impede therapeutic research.

The Act also categorizes drugs and other chemicals into five groups, or schedules, depending on a particular substance's accepted medical use and potential for abuse and dependency. The table below ...

Alcohol, recreational drugs, over-the-counter ... development of dementia and cognitive impairment among older adults. Substances such as opioids, benzodiazepines, and anticholinergics pose ...

For example, while teenage boys have historically been more ... like MDMA (also called molly or ecstasy), heroin and other ...

Recreational ketamine use has increased in the United States in recent years, outpacing its rise as a treatment for depression, a new analysis suggests. The hallucinogenic drug — a controlled ...