THC, meaning a delta-9-tetrahydrocannabinol, is a psychoactive compound found in Cannabis that can produce intense sensations. THC can be consumed by smoking Cannabis. But it is also available in the form of capsules, oils, edibles, tinctures, and more. THC greatly affects the human body and is used to treat various medical conditions like nerve pain, nausea, glaucoma, multiple sclerosis pain, and Parkinson’s disease tremors. THC is legal in some states and used as medical marijuana, but laws are changing all the time. Some states have marijuana with THC legal for personal use while it is illegal under U.S law.