The study found that the number of fat cells did not decrease after dieting or limiting energy intake to lose weight, so when the normal diet was restored, the weight returned to the state before losing weight. The improvement of living standard and diet is an important cause of obesity. Environmental factors Environmental factors mainly refer to people's social environment, living habits, fashion and so on.
China's long history of poverty has enabled most people in China to acquire this "thrifty gene". Therefore, in the past 10 years, the rapid improvement of living standards has made obesity and obesity-related diseases (such as hypertension, diabetes, coronary heart disease, etc. An important reason that threatens people's health.
With the increase of age, the metabolic rate in the human body will decrease year by year, so the same diet and the same amount of exercise will not make you fat at the age of 20, but will make you fat at the age of 40. In addition, our physical activity momentum also decreases with the increase of age.
People who exercise a lot eat more calories and are less likely to gain weight. But some people engage in large-scale sports intermittently, and may only exercise for a few hours a week or even a month. The result is not to control weight, but to increase appetite. So regular exercise will have a good effect.
However, with the gradual improvement of living standards, more and more people have become extremely difficult to exercise, and there are always various reasons not to exercise. However, if the energy and fat consumed every day are not effectively consumed, they will remain in the form of weight, so it is easy to get fat.
Therefore, for young people around the age of twenty, exercise is still necessary. Exercise can not only make them more beautiful, but also enhance their physique.