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Nonexercise Activity Thermogenesis
According to research, lean couch potatoes stood up and moved around for about two hours longer compared to the obese ones. The extra calories burned are what they call NEAT or Nonexercise Activity Thermogenesis.
Furthermore, even if the obese couch potatoes will go on a diet, they still remain seated most of the day. While the lean ones, even if they increase their food intake, they still go for some fidgeting. So this fidgeting time becomes a big factor to avoid obesity.
This information shows that extra movements can be a lot of help for us couch potatoes to avoid getting obese. We all know that obesity can lead to health problems. So, just by doing some extra movements while watching tv, or even when lying in the sofa, can help us burn calories and avoid obesity.