London - The damage to your health from sitting at a desk all day cannot be undone by exercise, researchers have discovered.
A study found that the longer someone spends inactive, the more likely they are to develop type 2 diabetes.
Even doing regular intense gym workouts does not reduce the impact of too much sitting.
Dutch scientists who studied 2,500 people, found that every extra hour a day spent in a sedentary position increases the risk of type 2 diabetes by more than a fifth.
People in Britain spend an average of nine waking hours sitting or lying down each day – a trend replicated in the Dutch study.