Editor's note: This article has been reviewed and updated for accuracy in 2026. Cannabis has many medical uses. After decades of prohibition, the once forbidden plant is at the forefront of discussions for its amazing health benefits. Keep reading to learn more about medical marijuana and how it may help you. 1. Medical Marijuana for Pain One of the most significant benefits of medical marijuana is for relieving muscle and joint discomfort. The first legal reason to use cannabis in the U.S. was for cancer-related pain. Everyone from pro-athletes to senior citizens uses the powerful, all-natural herb to safely reduce everything from simple aches from aging to nerve pain and inflammation from debilitating conditions. Medical marijuana cards can be obtained online in states that have legalized cannabis use for medical applications. The science backs consumer testimonials, and experts agree it’s an excellent solution to reducing pain without dangerous and addictive narcotics. Dr. Peter Grinspoon, a leading cannabinoid expert and primary physician at Harvard Health, <a rel=noreferrer noopener class=rank-math-link href=https://www.health.harvard.edu/blog/medical-marijuana-2018011513085 ta