Nursing care, physical therapy, occupational therapy, and vocational training are used extensively in the rehabilitation of the severely handicapped. cancer rehabilitation a process by which individuals in their own environments are assisted to achieve optimal functioning within the limits imposed by cancer.
The most common immediate psychological effects of LSD are visual hallucinations and illusions (colloquially known as trips), which can vary greatly depending on how much is used and how the brain responds.
It's not known exactly how LSD affects the brain. Scientists believe it has to do with serotonin. Serotonin is a brain chemical that carries messages related to perception and behavior. LSD somehow disrupts that process, leading to a trip that can last for 12 hours or more. A person starts feeling high about 30 to 90 minutes after taking LSD. How the drug actually affects a person depends on many things, including the amount of LSD taken, the person's surroundings, and his or her personality and mood.