The National Academies of Sciences, Engineering, and Medicine released a new report on the health effects of marijuana, looking at more than 10,000 studies about medical and recreational use. It is considered to be the most comprehensive since 1999.
These released Health Effects of Cannabis and Cannabinoids: The Current State of Evidence and Recommendations for Research.
Significant changes have taken place in the policy landscape surrounding cannabis legalization, production, and use.
During the past 20 years, 25 states and the District of Columbia have legalized cannabis and/or cannabidiol a component of cannabis for medical conditions or retail sales at the state level and 4 states have legalized both the medical and recreational use of cannabis.
These landmark changes in policy have impacted cannabis use patterns and perceived levels of risk. file:///C:/Users/Home/Downloads/24625.pdf