Live longer thanks to fruit, an active lifestyle, limited alcohol and no cigarettes. This is the conclusion of a study by public health physicians at the University of Zurich who documented for the first time the impact of behavioural factors on life expectancy in numbers.

Cardiovascular diseases (CVDs), cancer, diabetes and chronic respiratory disorders – the incidence of these non-communicable diseases (NCDs) is constantly rising in industrialised countries. The Federal Office of Public Health (FOPH) is, therefore, in the process of developing a national prevention strategy with a view to improving the population’s health competence and encouraging healthier behaviour. Attention is focusing, among other things, on the main risk factors for these diseases which are linked to personal behaviour – i.e. tobacco smoking, an unhealthy diet, physical inactivity and harmful alcohol consumption.

Against this backdrop Private Docent Brian Martin and his colleagues from the Institute of Social and Preventive Medicine (ISPM) at the University of Zurich have examined the effects of these four factors – both individual and combined – on life expectancy. For the first time the consequences of an unhealthy lifestyle can be depicted in numbers. An individual who smokes, drinks a lot, is physically inactive and has an unhealthy diet has 2.5 fold higher mortality risk in epidemiological terms than an individual who looks after his health. Or to put it positively: “A healthy lifestyle can help you stay ten years’ younger”, comments the lead author Eva Martin-Diener.

According to Martin an unhealthy lifestyle has above all a long-lasting impact. Whereas high wine consumption, cigarettes, an unhealthy diet and physical inactivity scarcely had any effect on mortality among the 45 to 55-year-olds, it does have a visible effect on 65 to 75-year-olds. The probability of a 75-year-old man with none of the four risk factors surviving the next ten years is 67 percent, exactly the same as the risk for a smoker who is ten years younger, doesn’t exercise, eats unhealthily and drinks a lot.

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Source: Medical News Today.

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