It depends on each individual. For most people, 48 to 72 hours. It can be detected in hair follicles for uo to 3 months. Some tests can find traces of cocaine use after 25 years.
if you smoke a small ammount of cannabis it can stay in your blood stream for about 5 days (a very small ammount) if you smoke a large ammount of cannabis it can stay in your blood stream for...