Key points from article :
45 to 54-year-old Scots spend on average 7.8 hours per weekday sitting down.
That compares to 7.4 hours of sedentary time for the over-75s.
Includes time sitting while working, eating, watching TV or using a computer.
More than seven hours a day of sedentary time increases the risk of cardiovascular disease, type 2 diabetes and some cancers.
Data from more than 14,000 people in the 2012-14 Scottish Health Survey.
