Why was medical marijuana use approved in Pennsylvania? Studies have shown that medical marijuana can assist patients suffering from certain serious medical conditions by alleviating pain and improving their quality of life. Proponents of marijuana, backed by several studies, say the drug has many therapeutic uses. Marijuana contains 60 active ingredients known as cannabinoids. The body naturally makes its own form of cannabinoids to modulate pain. KCIW is here to guide and educate you about the different holistic uses for medical marijuana. Patients with medical conditions ranging from multiple sclerosis to migraines to diabetes may be prescribed marijuana to help treat their symptoms and manage their condition.