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.
LSD has a chemical structure that is very similar to the neurotransmitter called serotonin. It is thought that the effects of LSD are caused by stimulation of serotonin receptors on neurons, perhaps in the brain area called the raphe nuclei. However, it is still not clear what produces all the effects of LSD.