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Increase your lifespan by staying in shape

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According to researchers, reducing excess weight and staying in shape may prolong your life expectancy by two months.

People who are overweight cut their life expectancy by two months for every extra kilo of weight they carry.

Your lifespan can also be shortened by the great impact of cigarette smoking and traits associated with lung cancer.

The researchers added that body fat and other factors linked to diabetes also have a negative influence on life expectancy.

“Our study has estimated the causal effect of lifestyle choices. We found out that, on average, smoking a pack a day reduces lifespan by seven years, whilst losing one kilogram of weight will increase your lifespan by two months,” said Peter Joshi, researcher at the University of Edinburgh in Scotland.

The team took the data from 25 separate population studies and analysed genetic information from more than 600,000 people alongside records of their parents’ lifespan.

Researchers explained in the paper published in the journal Nature Communications that some genes that further impacts life expectancy of people, like, increased alcohol consumption and addiction highly influence certain lifestyle factors.

Two new DNA differences that affect lifespan were also identified by the study. The first in a gene that affects blood cholesterol levels and reduces lifespan by around eight months.

The second DNA is a gene linked to the immune system which adds around half a year to life expectancy.

Professor Jim Wilson said “The power of big data and genetics allow us to compare the effect of different behaviors and diseases in terms of months and years of life lost or gained, and to distinguish between mere association and causal effect.”

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