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.
So How Long Do Edibles Take to Kick In? In the case of regular marijuana-infused food products such as brownies, cookies, candies, etc., the average onset time can range from thirty minutes to well over an hour, in some cases even taking as long as two hours to kick in.