LSD can affect an individual's senses, mood, thoughts and even how they perceive themselves and the world around them.
When a stimulant-dependent individual abstains from stimulant use, withdrawal symptoms, including depression, fatigue, insomnia, and loss of appetite, reflects a drop in neurotransmitter levels in the brain.
Research indicates that Caucasian males make up the predominant LSD user that enters a hospital emergency department for LSD-induced symptoms.
Long-term alcohol consumption may result in permanent damage to the brain.