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Sunday 11 December 2016

Every hour on couch ups diabetes risk by 3.4pc

A diabetes kit
A diabetes kit

Each hour spent watching TV each day increases the chance of developing diabetes by 3.4pc in high-risk individuals, research has suggested.

A study carried out in the US looked at data from more than 3,000 overweight adults participating in a Diabetes Prevention Programme (DPP) who were given either a placebo, metformin drug (used for diabetes) or took part in a lifestyle intervention scheme.

Researchers looked at whether, as well as increasing activity levels, the lifestyle intervention also made those taking part spend less time sitting.

Before the trial all three groups had reported spending an average of around two hours and 20 minutes a day watching TV.

sedentary

But the team found that while the placebo and metformin groups spent an average of just nine and six minutes less in front of the TV respectively, those taking part in the lifestyle scheme sat and watched it for 37 minutes less per day on average.

The authors then investigated the impact of sedentary behaviour over time on diabetes incidence and found that for all participants, the risk of developing diabetes increased approximately 3.4pc for each hour spent watching TV after adjustment for age, sex, intervention and time-dependent leisure physical activity.

The study is published in Diabetologia, the journal of the European Association for the Study of Diabetes.

hnews@herald.ie

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