The<unk>  have been the subject of ongoing debate. Because cannabis is illegal in most countries, clinical research presents a challenge and there is limited evidence from which to draw conclusions. In 2017, the U.S. National Academies of Sciences, Engineering, and Medicine issued a report summarizing much of the published literature on health effects of cannabis, into categories regarded as conclusive, substantial, moderate, limited and of no or insufficient evidence to support an association with a particular outcome.
Long-term effects of cannabis
Long-term effects of alcohol
Effects of cannabis
Prescription drug addiction
Antidepressants and suicide risk
Modesty in medical settings
Toxic alcohol
At risk mental state