"This reduction in death risk is likely related to energy balance, Dr. Beddhu said. Strolling instead of sitting increases the number of calories that someone b

"This reduction in death risk is likely related to energy balance, Dr. Beddhu said. Strolling instead of sitting increases the number of calories that someone burns, potentially contributing to weight loss and other metabolic changes, which then affect mortality risk." Did the study classify participants by BMI class at all[1]? I work as a teacher so I'm on my feet and moving round a class most of the time at work and when not teaching I'm going around getting stuff &c. Very little sitting at a PC. I also walk to and from a railway station each day (2* 1.7 miles). I am stubbornly a chunky 29.5 BMI.