Indica and sativa are the two main types of cannabis. Cannabis is one of the oldest crops known to mankind, with records of its cultivation dating back thousands of years. Today, it is widely accepted that marijuana has two different species: Cannabis indica and Cannabis sativa.ndica and sativa are the two main types of cannabis. Cannabis is one of the oldest crops known to mankind, with records of its cultivation dating back thousands of years. Today, it is widely accepted that marijuana has two different species: Cannabis indica and Cannabis sativa.
That would make medical errors the third-leading cause of death in America, behind heart disease, which is the first, and cancer, which is second. The new estimates were developed by John T. James, a toxicologist at NASA 's space center in Houston who runs an advocacy organization called Patient Safety America.
It has been known for many years that allopathic (conventional) medicine is a major cause of death in the US. In the 1990âs a JAMA article indicated that it was the 3rd biggest cause of death in this country. But that article only looked at deaths in hospital attributed to allopathy. It did not look at deaths attributed to other causes or deaths caused by treatments out of hospitals.