So more people choose to diet to lose weight. Short-term dieting can make people slim down, but not after long-term dieting. Why? Today, I will give you a detailed introduction to diet and weight loss. Come and have a look. There are many hormones in the body that will affect the success or failure of weight loss. Here we will focus on two kinds: leptin and hunger hormone. Leptin, the first discovered fat hormone, is secreted by white fat cells, which will send a message to the brain, "Don't eat when you are full!" " Chemical signals. When leptin reaches a certain level, it will suggest that the hypothalamus inhibits appetite, increases metabolic rate and inhibits fat synthesis, and then the body weight and fat mass will be significantly reduced; On the other hand, if the leptin level is too low or blocked, it will lead to fat accumulation and weight gain. Scientists call leptin a "fat-reducing regulator". The more leptin is activated in the body, the more fat can be burned. Aggressive dieting will reduce the release of leptin and its ability to send signals to the brain, which will make it more difficult and inefficient to lose weight. Therefore, we must gradually reduce the amount of food we eat, and the more we eat, the less we can achieve the effect of stable weight loss. If you just want to lose weight by reducing calorie intake, you have to maintain a low-calorie diet for a long time to ensure that the weight you lose does not rebound. Many people support this practice and comfort themselves that "dieting will be effective and my resistance to good food will become stronger and stronger." Unfortunately, research shows that even if you have been dieting for a year, you can't easily control your appetite. Because hunger hormone, another hormone that promotes appetite and is the main rival of leptin, will never decrease. It makes you feel hungry every day, just like losing weight on the first day. If dieting makes us worry about so many hormones that affect weight loss, why not forget about dieting and go to the gym to find ways to burn belly fat?