what does Medical Marijuana Treat?

Medical Marijuana: What Does It Treat?
More and more states are legalizing marijuana to treat pain and illness. Find out what conditions it’s used for and the known side effects. Researchers have found medical marijuana can help treat a number of conditions including:
Alzheimer’s disease
Appetite loss
Cancer
Crohn’s disease
Diseases effecting the immune system like HIV/AIDS or Multiple Sclerosis (MS)
Eating disorders such as anorexia
Epilepsy
Glaucoma
Mental health conditions like schizophrenia and posttraumatic stress disorder (PTSD)
Multiple sclerosis
Muscle spasms
Nausea
Pain
Seizures
Wasting syndrome (cachexia)
The greatest amount of evidence for the therapeutic effects of cannabis relate to its ability to reduce chronic pain, nausea and vomiting due to chemotherapy, and spasticity.
How does it help?
Cannabinoids — the active chemicals in medical marijuana — are similar to chemicals the body makes that are involved in appetite, memory, movement, and pain.
Research suggests cannabinoids might:
Reduce anxiety
Reduce inflammation and relieve pain
Control nausea and vomiting caused by cancer chemotherapy
Kill cancer cells and slow tumor growth
Relax tight muscles in people with MS
Stimulate appetite and improve weight gain in people with cancer and AIDS