Are you sitting comfortably? Well, don’t. A welter of medical evidence is suggesting that the act of placing your derriere on a seat can cut years off your life.

It seems armchairs, office chairs and sofas can be fatal. Sitting down is increasingly being linked to some of the modern world’s most toxic epidemics, from cancer, heart disease and high blood pressure to stroke.

Last week researchers at Leicester University added to this grim jigsaw by reporting that time spent sitting is strongly associated with an increased risk of developing type 2 diabetes.

The humble chair seems an odd candidate for inclusion in our list of lifestyle killers such as booze, cigarettes and hard drugs. Chairs with backs only became available to the affluent in Europe around the 13th century, and it was not until the 16th century that they became common. – Daily Mail