Medical marijuana refers to the use of the cannabis plant and its compounds to treat various health conditions. It contains active ingredients like THC and CBD, which can help alleviate symptoms such as pain, nausea, and anxiety. Medical marijuana is often prescribed by healthcare professionals in states or countries where it is legal. Patients may consume medical marijuana in various forms, including oils, capsules, or dried flowers. The effectiveness and legality of medical marijuana can vary widely, depending on local laws and individual health needs. Research continues to explore its potential benefits and risks for different medical conditions.