All I know is I've smoked for 10 years an it's never once helped with pain. it's distracted me for a little wile so the pain wasn't on my mind, but it was always still there. I myself use weed for epilepsy but i still have to take the pills an i've had a VNS machine in-planted into my chest for it were my state is not fully legal for weed so my only option is to grow it an take the chance on going to jail or do without.