Sitting at work: a health hazard

Spending hours of your day sitting might be shortening your life, even if you're getting the recommended amounts of daily exercise.

Many of us spend large chunks of our day sitting, especially when we're at work. If we're not glued to a computer screen or tethered to a phone, then we're stuck in seats around tables in meetings. And that's on top of the hours we spend sitting in cars, buses or trains getting to and from work.

All this sitting seems to increase your risk of death from heart disease and other causes, research has found. And surprisingly, this happens even if you exercise regularly.

"If you do 30 to 60 minutes a day of exercise, you tick the box of being active," says…