Flashbacks are associated with highly emotional experiences and often happen to people who have never used psychedelic drugs. A frightening war memory, being raped, or even getting married, can all trigger flashbacks quite some time later. Thus, an emotional experience on LSD can also cause flashbacks. Conclusion LSD is a very potent drug, but is physically quite safe and non-toxic. Its effects include mild euphoria and anxiety, altered perceptions, and the ability to pass between states of consciousness.
Visual hallucinations are the most noticeable by users.
The acute effects taper off as time progresses and are usually gone by the next morning. Chronic effects of the drug can be positive and negative. LSD has shown to have therapeutic usefulness, although research has been severely limited for the last several decades. J. Psychiatry . Chromosomal damage not found in leukocytes of children treated with LSD-25.