Since the 1930s, hemp, once a widely grown and important crop in the United States has been considered a controlled substance due to its similarity with the cannabis plant grown for marijuana use. Although hemp used for industrial production, is in fact the cannabis plant, the same one that produces marijuana, there is an important difference – the THC produced in the plant.
THC is the main intoxicating ingredient in marijuana. Hemp cultivated for industrial purposes has much lower levels of THC than that grown for marijuana and cannot cause a drug induced high. It can however, be used to make over 25,000 different products ranging from textiles, to foods, to body care products, to building supplies. » Continue Reading.