Marijuana (cannabis) is the most widely used illegal drug in many developed countries.1 Medical studies have shown that the active ingredient in marijuana, delta-9-tetrahydrocannabinol (THC), might provide some medical benefits in some patients
Psychiatrist Tod H. Mikuriya, who helped develop Proposition 215, the state ballot that allowed doctors to recommend marijuana for patients in California, began researching marijuana's therapeutic possibilities in the 1960s.
He believed the symptoms of over 200 ailments could be treated with marijuana including stuttering, insomnia, premenstrual syndrome, and writer’s cramp. Even the National Cancer Institute agrees with Mikuriya — specifically the use of marijuana for treatment of side effects of chemotherapy, preventing nausea and vomiting
1-Marijuana can be used to prevent blindness from glaucoma.
Marijuana use can be used to treat and prevent the eye disease glaucoma, which increases pressure in the eyeball, damaging the optic nerve, causing loss of vision.
Marijuana decreases the pressure inside the eye, according to the National Eye Institute: "Studies in the early 1970s showed that marijuana, when smoked, lowered intraocular pressure (IOP) in people with normal pressure and those with glaucoma."
These effects of the drug may slow the progression of the disease, preventing blindness.
2-It's better for your lungs than tobacco.
According to a study published in Journal of the American Medical Association in January, marijuana does not impair lung function and can even increase lung capacity.
Researchers looking for risk factors of heart disease tested the lung function of 5115 young adults over the course of 20 years. Tobacco smokers lost lung function over time, but pot users actually showed an increase in lung capacity.
The increased lung capacity may due to taking a deep breaths while inhaling the drug.
3-A chemical found in marijuana stops cancer from spreading.
One chemical found in marijuana, called cannabidiol, prevents cancer from spreading, researchers at California Pacific Medical Center in San Francisco reported in 2007.
Cannabidiol stops cancer by turning off a gene called Id-1, the study, published in the journal Molecular Cancer Therapeutics, found. Cancer cells make more copies of this gene than non-cancerous cells, and it helps them spread through the body.
The researchers studied breast cancer cells in the lab that had high expression levels of Id-1 and treated them with cannabidiol. After treatment the cells had decreased Id-1 expression and were less aggressive spreaders.
4-THC slows the progression of Alzheimer's disease.
Marijuana may be able to slow the progression of Alzheimer's disease, a study led by Kim Janda of the Scripps Research Institute suggests.
The 2006 study, published in the journal Molecular Pharmaceutics,found that THC, the active chemical in marijuana, slows the formation of amyloid plaques by blocking the enzyme in the brain that makes them. These plaques are what kill brain cells and cause Alzheimers.
It seems as if there's no reason to not allow the use of marijuana for medical purposes. There's not any major negative effects once your body is fully developed. I think that all the states would benefit from medicinal marijuana dispensaries.