Health effects of marijuana use

Now that marijuana is legal for use by adults over age 21 in Colorado, it’s important to know how marijuana may affect you, both now and in the future. The effects may be more pronounced depending on how often you use marijuana. 
All information on the health effects of marijuana is from the Retail Marijuana Public Health Advisory Committee’s systematic review of available, high-quality research. For more information about its findings, review Monitoring Health Concerns Related to Marijuana in Colorado: 2016.
This section of the website doesn’t include information on the medical uses of marijuana.