* Nicotine increases alertness. This may enhance concentration, thinking and learning. This may be a benefit to people with schizophrenia whose illness or medication leads to cognitive problems.
* Nicotine can help relaxation, and it can also reduce negative feelings such as anxiety, tension and anger. So Nicotine may help people with mental illness deal with stressful situations.
* Nicotine might have an antidepressant effect. Nicotine stimulates dopamine production in part of the brain and so may help negative symptoms of schizophrenia, such as lack of motivation, lack of energy and flat mood.
* Nicotine may reduce positive symptoms, such as hallucinations for a short period.
* There is some evidence to suggest that Nicotine is associated with reduced levels of anti-psychotic induced Parkinson-ism.
* Nicotine can help to relieve boredom and provide a framework for the day.
* Nicotine can improve social interaction, something that may be of particular benefit to people with negative symptoms.