I was first introduced to the article entitled Observations on the Habilitation of Children with Cortical Visual Impairment as a subscriber to the Journal of Visual Impairment & Blindness (JVIB).
Best Answer: Marijuana remains in your system for about 14 to 30 days. However, hair follicle tests typically detect THC (marijuana) for up to 3 months after you have quit using. Since THC (marijuana) stores itself in your fat cells, exercise -- especially fat-burning exercise like weight training and intense cardio -- can help get it out of your body faster.
1 After how long does marijuana leave your system if you smoked only once? Marijuana use: If you truly have used marijuana only 1 time, it will be detectable in your urine for 5-8 days. However, it's stored in your fat -- so may still be found in your hair follicles for several months.