Key points from article :
Sitting or lying down for long periods could cause almost 70,000 deaths every year.
Study considered people sitting or lying down for at least six hours a day.
Increases risk of colon, endometrial and lung cancer, as well as type 2 diabetes and cardiovascular disease.
30% of adults spent at least six hours of every weekday sedentary, 37% on weekends.
Cost to the NHS likely to be at least £700m annually - over 1% of its budget.
You have to reduce sitting time by several hours to see noticeable improvements in health.
Research by Queen’s University Belfast and Ulster University published in Journal of Epidemiology and Community Health.
