LSD, which has been banned for almost 30 years, is a chemical that is naturally produced by microorganisms in soil and water. It was first discovered by Dr. Albert Hofmann in 1938. In the past, LSD was used as a medicine for depression and anxiety and sometimes for alcoholism. But it has been discovered that it also affects your brain. In the past, LSD was used for treating cancer and psychosis, but it was soon found to have serious side effects. In the 1950s, the U.S. government became concerned with LSD's misuse. It began testing the effects of LSD on humans and found out that it caused hallucinations and extreme discomfort. In 1964, the FDA banned the use of LSD. But in Fine chemicals recent years, scientists have started researching its benefits again. They found that LSD can be used to treat certain mental disorders. For example, in a study conducted on people with social phobia, it was found that LSD is effective in relieving their anxiety. This chemical is not addictive. LSD can be used for short periods of time, such as for one week, and it may be effective for some patients with depression. But the long-term use of LSD is not recommended because it has many side effects.