Medical cannabis, the first official records in modern history of the study of marijuana and its medical effects date back to 1830. Irish doctor Sir William Brooke O'Shaughnessy found in the study of cannabis in India that this plant has beneficial effects. It can help relieve stomach pain and vomiting in people suffering from cholera.
At the end of the 19th century, marijuana extracts were commonly sold in pharmacies throughout Europe and America. They have been used mainly, but not exclusively, to treat abdominal pain and relief from other diseases.
The researchers later discovered that THC is a source of the healing properties of marijuana. As a psychoactive compound responsible for the effects of marijuana on mind change. THC also interacts with areas of the brain that are able to alleviate nausea and promote hunger.
In today's modern age, medical cannabis extracts, whether high or low in THC or CBD, are used to treat or relieve pain in various diseases from AIDS, multiple sclerosis, digestive problems to depression and asthma.
You can find out about all countries where Medical Marijuana is decriminalized or legal here.