How is smoking related to bipolar disorder?

Tobacco smoking is very common among people with a mental illness, who often show particularly heavy use. This poses considerable health risks, potential interference with the metabolism of medications, as well as financial burden for the individual. Heavy cigarette use may contribute to increased mortality and reduced life expectancy.

What is the evidence for smoking?

Moderate to high quality evidence suggests small to medium-sized, increased odds of smoking in people with bipolar disorder compared to the general population, and compared to people with major depression. There was a small decreased odds of smoking in people with bipolar disorder when compared to people with schizophrenia.

Moderate to low quality evidence suggests varenicline (champix/chantix) may reduce rates of smoking in people with bipolar disorder.

May 2020

Last updated at: 5:52 am, 28th May 2020
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