Q. I've heard that exercise is a must for losing weight. What exactly is the role of exercise in weight loss?
Exercise is about more than just burning calories. It works as a chain reaction: increasing energy expenditure, maintaining the basal metabolic rate, and improving insulin sensitivity. By preserving muscle mass, you prevent the 'yo-yo effect' where the body enters emergency mode and stores fat during caloric deficits. Essentially, exercise is a process of normalizing your body's metabolic system rather than just a tool for trimming fat.
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Dr. Yeonseung Choe
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