Studies show that sinsemillas weed contains five times more tetrahydrocannabinol (pot's narcotic ingredient) than the common Mexican variety.
The principal active element in marijuana, delta-9-tetrahydrocannabinol (THC), like alcohol, impairs motor coordination, the ability to follow a moving object and to detect a .
Moreover, several studies have indicated that the major active ingredient in pot, tetrahydrocannabinol (THC), might even have medical uses.