Is fasting really effective? Is fasting really scientific?

Fasting is also a popular weight loss method used by people nowadays. So, can fasting really help people lose weight? Is fasting really scientific?

Whether fasting for weight loss is successful depends on personal practice. If you can stick to it, it is possible to lose weight successfully. However, doing so will cause damage to the stomach and intestines, may cause acid reflux, and disrupt intestinal function.

Practice has shown that the alternate-day fasting method is not scientific, but the weight loss effect is relatively ideal. Usually women control their daily energy at 500 kcal and men control it at around 600 kcal. If you stick to it for 3 days, your weight will drop significantly, usually up to 3-4 catties. What you need to pay attention to is that human body fat cannot be consumed so quickly. In fact, this method of weight loss reduces the water content in the human body in the first few days, and only in the next few days can it really achieve the purpose of fat reduction. If you stick to it for 1 month, you can lose 10-15 catties. However, once you resume your diet with this method, you will rebound.

Furthermore, the alternate-day fasting diet can also cause great harm to human health. For example, it can disrupt the normal gastrointestinal activity of dieters. When fasting, the digestive tract will still move and secrete digestive juices normally. These digestive juices have no food to digest, so they often accumulate in large quantities and corrode the gastrointestinal lining. Over time, they can cause digestive diseases such as peptic ulcers or chronic gastritis. It can also lead to malnutrition. Fasting diet can cause malnutrition. This is because the yogurt and freshly squeezed juice in the diet of the fasting diet cannot fully provide the nutrients needed by the human body, especially the three major categories of nutrients that provide energy: protein, carbohydrates, and fat.

It is recommended that you control your diet reasonably and do physical exercise regularly to achieve the goal of healthy and scientific weight loss. For example, you should eat more low-calorie foods, such as fresh fruits and vegetables, and avoid high-calorie foods. You should also pay attention to doing more exercise, such as running, skipping rope, brisk walking, etc. If you persist for a long time, you can achieve a relatively ideal weight loss goal.

Fasting alone cannot make up for vitamins, because the nutrients the human body needs every day include sugar compounds, protein, fat, vitamins, etc. As long as the nutrition is not met, hair loss, anemia, dizziness, and insomnia will occur, and severe hypoglycemia will cause shock.

The water fasting method is quite demanding. You cannot eat anything except water for the whole day, and you cannot drink water casually. You should ensure that your intake is about body weight (Kq) × 50ml. That is to say, if your weight is 50kg, you should drink at least 50 (Kg) × 50 (m1) of water a day, which is 2500ml. If you have poor kidney function or kidney disease, you should not use this method to lose weight.