Lack of exercise is twice as likely to lead to an early grave than obesity, research by Cambridge academics has found. And their study found a brisk 20-minute walk each day is all it takes to avoid dying prematurely.
It happens to most of us.
Despite the determination not to over indulge, Christmas can often see a tightening of the waistband and the New Year started with a resolution to shed those extra pounds.
But with so many different DVD's promising to be the best at fighting the flab, what is the best way to get fit and healthy, and make sure the motivation lasts beyond January?
Click below to watch a report from ITV News Anglia's Victoria Lampard
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