Maintaining a sense of hunger is the switch to unlock vitality. Fasting, 20% is for beauty, 80% is for health. Eating less can avoid 90% of diseases. After fasting for 10 hours, liver glycogen is almost depleted, and the sugars and fats in the blood will start to be digested. Therefore, true weight loss should begin after a 10-hour fast. After fasting for 16 hours, the body's self-functions will be activated, and the functions of the organs will be renewed as well. Common diseases are all caused by eating; high blood sugar, diabetes, high blood pressure, obesity, fatty liver, atherosclerosis, gout, etc. are all caused by eating. The benefits of scientific fasting are numerous: it activates longevity factors, keeps one away from sub-health, activates the brain, relieves stress, stabilizes emotions, reduces inflammation, promotes deep detoxification, and cleanses the intestines. Maintaining fasting strength can be accomplished through a half-day fasting method, gradually cultivating the ability to fast. Regardless of age, a healthy body can be achieved.