[Column] Exercise more beneficial than dieting
, 2023-01-12 23:09:39,
For health and longevity, exercise is more beneficial than weight loss. Even if you increase the amount of exercise, you may fail to lose weight. However, exercise is more effective to reduce mortality than going on a diet. When obese or overweight people start exercising, their premature mortality rates can go down by more than 30 percent. The benefits of exercise are evident even without a significant change in body weight. However, the effect of going on a diet is not clear. In some cases, the mortality rate increases, and even when the mortality rate decreases, the extent was not large compared to the effect of exercise.
Why is this so? The answer is in the yo-yo effect, described in a 2021 review paper by Glenn Gaesser, professor of exercise physiology at Arizona State University. Even if you lose weight hard, the vicious cycle of gaining weight again continues, making it easy to suffer from health problems due to dieting. Anyone who has ever been on a diet knows how difficult it is to maintain weight.
Appetite is crucial for survival. It cannot be forced to go away. Psychologists Peter Herman and Janet Polivy conducted an interesting experiment on this in the 1970s. Participants were asked to drink a high-calorie milkshake and then to taste and rate cookies, cakes, and nuts. Since it was after the milkshake, most participants ate less of other foods. However, people on a diet did the opposite. After drinking the milkshake, they ate even more cookies,…
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