In recent research on overweight or obese adults (age 60 and over), the combination of a low-calorie diet and weight training resulted in greater fat loss than a combination of a low-calorie diet and walking workouts, according to a 2017 study published in the journal Obesity. The adults who walked instead of weight trained did lose a comparable amount of weight—but a significant portion of the weight loss included lean body mass. Meanwhile, the adults who did strength training maintained muscle mass while losing fat. This suggests that strength training is better at helping people lose belly fat compared with cardio because while aerobic exercise burns both fat and muscle, weight lifting burns almost exclusively fat.
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