CBD oil is an organic derivative of hemp, cannabis, or marijuana that is known to provide a number of medical benefits when applied topically or orally. The organic compound is comprised of tetrahydrocannabivarin (THC), cannabinol (CBN), and cannabidiol (CBD) that are also commonly known as delta-9-tetrahydrocannabinol or simply CBD oil. As its name implies, it is derived from hemp and is available as a liquid supplement, capsule, or topical ointment. Cannabidiol or CBD oil is a type of phytocannabinoids found in hemp and marijuana plants. It is considered to be one of the major active ingredients of marijuana since the compound has the ability to regulate mood, behavior, and cognitive function. It has been shown to reduce the side effects associated with chemotherapy and HIV/AIDS drugs. It has also been shown to have anti-inflammatory and antimicrobial properties that may be useful in combating several forms of cancer, especially cancer of the digestive system. In addition, studies show that CBD can inhibit appetite and reduce the desire to eat. To date, there is no definitive evidence proving that CBD oil can treat the symptoms of epilepsy, dementia, Alzheimer's disease, or other serious mental diseases. However, studies conducted by leading medical institutions and research institutes indicate that it is effective in relieving the signs and symptoms of seizures, reducing pain, and alleviating nausea and vomiting, which are common side effects of chemotherapy, in patients taking antipsychotic drugs. Another study, published in 2020 in the journal Nature, showed that CBD can delay or prevent the onset of Alzheimer's disease in mice. Furthermore, CBD has been found to be very effective in blocking the formation of amyloid plaques and neurofibrillary tangles in the brain. CBD oil also has an anti-inflammatory effect in the body, thus preventing inflammation and pain associated with rheumatoid arthritis. There are also several studies that indicate that CBD can effectively relieve both short and long-term and severe pain, including pain caused by fibromyalgia, fibroid tumors, and rheumatoid arthritis. For instance, researchers have conducted tests on rats and mice that have been injected with morphine. or pentobarbital. These tests have revealed that CBD significantly reduced the amount of time taken to reach a peak effect, which may indicate less damage to the brain than in other animal tests. Since CBD oil is derived from cannabis plants, it has also been investigated as a potential treatment for Parkinson's disease in humans. CBD has also been found to be effective in treating seizures, depression, anxiety, depression and panic attacks, and other similar conditions. As with many organic compounds, it is not clear how long CBD has to stay in the bloodstream before it begins to have an effect. But, in most cases, the effects last for more than six months.