What is the difference between CBD and THC? What is the difference between over the counter CBD oils and medical cannabis oils? What is the science? Does it actually work, and what for? We are in the middle of a medical revolution regarding the cannabis plant and its uses. Medical cannabis has gained notice for treating serious illnesses when drugs fail, CBD oil has become incredibly popular as a wellness product, with hundreds of brands flying off the high street shelves. However, there is still confusion around the plant, what it can do and how to make use of it for both wellness, self care and treating medical conditions.