Some people need to work out 73 percent harder than others for same weight loss results, study finds

Genetics can play a large role in how your body reacts to exercise, especially if you have a familial history of obesity. New guidelines suggest how to work with your genes to lose weight.Genetics can play a large role in how your body reacts to exercise, especially if you have a familial history of obesity. New guidelines suggest how to work with your genes to lose weight.Read MoreHealth News | Mail Online