Single cigarette takes 20 minutes off life expectancy, study finds | Smoking | The Guardian
Show caption The study found having a single cigarette reduces life expectancy by 17 minutes in men and 22 minutes in women. Photograph: Yui Mok/PA Smokers are being urged to kick the habit for 2025 after a fresh assessment of the harms of cigarettes found they shorten life expectancy even more than doctors thought. Researchers at University College London found that on average a single cigarette takes about 20 minutes off a person’s life, meaning that a typical pack of 20 cigarettes can shorten a