Besides that fact that it just makes us feel good

a copy past from WIKI:



Cannabis is most importantly indicated as an antiemetic for the treatment of nausea and anorexia associated with treatments for cancer, AIDS, and hepatitis. Cannabis also acts as an antispasmodic and anticonvulsant and is indicated for neurological conditions such as epilepsy especially complex partial seizures, multiple sclerosis, and spasms. As an analgesic and an immunomodulator it is indicated for conditions such as migraine, arthritis, spinal and skeletal disorders. As a bronchodilator it is beneficial for asthma. It also reduces the intraocular pressure and is indicated for glaucoma. Recent studies have shown the drug to be efficacious in treating mood disorders and mental health issues such as depression, post traumatic stress disorder, clinical depression, obsessive-compulsive disorder, panic disorder, and bipolar disorder.[3] It is also indicated for premenstrual syndrome, hypertension, and insomnia. It is also reported to be an effective treatment for constipation and alcohol hangovers.



as well , newer studies are starting to show that thc kills many types of cancer cells ! :thumbsup: