Cannabis oil: what is it and does it really work as medicine?
Press Eye Ltd/REX/Shutterstock By Alison George MEDICINAL cannabis is in the headlines after Billy Caldwell, a 12-year-old British boy with severe epilepsy, had his cannabis oil medication confiscated. The UK government has now announced a review into medicinal cannabis. Here’s what you need to know. What is cannabis oil? Cannabis oil is extracted from the cannabis plant, Cannabis sativa. Some varieties of the plant contain high levels of the psychoactive substance tetrahydrocannabinol (THC). The plant’s other major chemical component is cannabidiol,