A review of 116 published clinical trials on weight loss concluded that people who want to lose a significant amount of fat mass through exercise may need more than two and a half hours per week of aerobic training, such as running, walking or cycling. The studies on which this new research is based explore the impact of physical activity on weight loss, waist size and body fat. In total, the trials reported data from nearly 7,000 adults who were obese or overweight – with a body mass index (BMI) greater than 25.
Analysis of the trial results, published in the scientific journal “Jama Network Open” and reported by the British newspaper “The Guardian”, showed that body weight, waist size and body fat decreased as people did more aerobic exercise. each week, while training for less than 30 minutes a day, five days a week, resulted in only small reductions.
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