The use of Marijuana medically has been in controversy for years. The question behind it is what is marijuana actually and why it is in the controversy and why people talk about it? Marijuana—also called weed, herb, pot, grass, bud, ganja, Mary Jane, and a vast number of other slang terms—is a greenish-gray mixture of the dried, shredded leaves and flowers of Cannabis sativa—the hemp plant (1). It has been in the picture even during 2900BC when the Chinese Emperor Fu Hsi, whom the Chinese credit with bringing civilization to China, seems to have made reference to Ma, the Chinese word for Cannabis, noting that Cannabis was very popular medicine that possessed both yin and yang (2). According to Statistics Canada, there has been 3.4 million…