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.
Patients ingesting cannabis will often feel the effects within 45 to 90 minutes with a high lasting between 6 to 10 hours. Edibles are generally sold as high calorie treats like cookies, candies and brownies made by infusing butter or cooking oil with cannabis.