CBD has long been overshadowed by delta-9-THC (tetrahydrocannabinol), the primary active ingredient in marijuana, because unlike THC, it does not produce a psychoactive “high.” CBD has nonetheless long been known to have useful anti-spasmodic, anti-epileptic, anti-anxiety, and anti-psychotic properties.
Although CBD lacks noticeable effects when taken alone, it has a calming, sedative effect when combined with THC, cutting down on the anxiety, paranoia, and memory impairment that many users find unpleasant or debilitating with regular marijuana. CBD-rich strains accordingly have particular appeal to older users and medical patients who are uncomfortable with the THC high.
Additional, preclinical studies suggest that CBD may have therapeutic benefits in the treatment of various conditions, including chronic pain, anxiety, nausea,rheumatoid arthritis, schizophrenia, diabetes, PTSD,alcoholism, strokes and cardiovascular disease, cancer,and other ailments.
CBD has been shown to suppress colon cancer tumors in mice and to kill breast cancer cells in lab studies by Dr. Sean McAllister at the California Pacific Medical Center. However, cancer specialists caution that the efficacy of CBD for cancer remains to be demonstrated in actual human studies.
CBD also has anti-inflammatory, neuro-protective, and anti-oxidant properties. Anti-oxidants are thought to fight degenerative diseases and aging. CBD has also been shown to stimulate bone fracture healing in laboratory animals.