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Home Industry News Smoking ‘linked with higher risk of psychosis’

Smoking ‘linked with higher risk of psychosis’

10th July 2015

Smoking tobacco has been associated with an increased risk of developing psychosis by a new study from King's College London.

Published in the Lancet Psychiatry, the report involved a meta-analysis of 61 observational studies comprising almost 15,000 tobacco users and 273,000 non-users. It indicated that people who suffer from psychosis are three times more likely to smoke cigarettes than healthy controls.

Looking at people presenting with their first episode of psychosis, it was found that 57 percent of these individuals were smokers, with daily smokers developing psychotic illness around a year earlier than non-smokers.

The researchers acknowledged certain limitations to the study, such as the fact that the direction of causality is difficult to determine, while few of the studies included in the meta-analysis controlled for the consumption of substances other than tobacco.

However, Dr James MacCabe, clinical senior lecturer in psychosis studies at the Institute of Psychiatry, Psychology and Neuroscience at King's College London, said: "Our findings indicate that smoking should be taken seriously as a possible risk factor for developing psychosis, and not dismissed simply as a consequence of the illness."

This comes after a study last month provided the first clear evidence of a link between smoking and prostate cancer.ADNFCR-8000103-ID-801794016-ADNFCR

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