Cancer in Schizophrenics

Are people suffering from psychological problems, of which schizophrenia is the most representative, less likely to develop cancer than the rest of the population? In other words, can we say that "we get cancer when we cannot be psychotic, and vice versa"?
This is the theory of Doctor Merle, a trained surgeon, who is fascinated by this subject about which we have only empirical knowledge at present.
Without claiming to have carried out a statistical and epidemiological study, the author compares biological and neurological data and takes the latest advances in genetics into account.
A work that could herald the start of scientific research at national level.

For general practitioners and psychiatrists.