Cannabidiol can only be included in "cosmetic" products and only if it contains less than 0.3% THC. But there are still products labeled as dietary supplements on the market that contain cannabidiol.THC actually blocks a number of these receptors in the brain having various effects on behavior. For example, THC can negatively affect our memory and can make your appetite more active than normal. This is how you get the stereotype of a Cannabis user who wants to eat all the time and has a poor memory. You are likely wondering, what causes the mix-up that makes so many people think that CBD can get you high?