'For thousands of years cannabis has been used as a medicine for a remarkably broad range of ailments. Opponents of medical marijuana have claimed that nothing works on so many diverse illnesses and that the only relief offered was one of stupor from being stoned.

But in 1988, the first cannabinoid receptor was discovered and since then researchers have learned that there are two types of cannabinoid receptors which are distributed throughout our bodies and that we make chemicals within our bodies—endocannabinoids—that are similar to the cannabinoids made by the cannabis plant. Both plant and human cannabinoids bind to and influence these receptors in order to discourage the rise and progression of numerous disease processes.'

Read more: How Weed Can Protect Us From Cancer and Alzheimer's