Cannabis The Cannabis plant has been used by us for thousands of years. The first materials made from Cannabis have been dated back 13,000 years. The ancient Egyptians were known to use Cannabis as a medicine. Before Aspirin arrived, Cannabis was thought to be the best painkiller. Today the Cannabis plant is still used for the same reasons, perhaps more. One of the first Ford cars was made from materials derived from the Cannabis plant and it was designed to run on a fuel based on Cannabis. ...