Bates & Rutherford raise some interesting points. I am impressed by their experience that admission to a psychiatric ward leads to increased tobacco use; this is certainly worthy of more-detailed study.
Smoking habits of people with schizophrenia probably do differ in different cultures. Colleagues in south India, where I have carried out much research, have found that people with schizophrenia probably smoke less than the general population. This is largely for economic reasons. Most are unemployed or in part-time employment. There are no state benefits, and therefore patients cannot afford to buy cigarettes.
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