Fast metabolism has the following performance: 1. Metabolism is a phenomenon of life for all living things. When the metabolism is fast, the emptying of the stomach after eating is accelerated, especially easy to hunger, such as the phenomenon of hunger at 11 o’clock. In addition, when the metabolism increases, the body’s heat production is increased, and it is particularly easy to sweat. 3, some people with a fast metabolism will appear faster gastrointestinal motility, when the number of bowel movements is increased. 4, fast metabolism is often seen in healthier people, but also in people with pathology. But also in pathological cases, such as hyperthyroidism, the human thyroid gland secretes too much thyroid hormone, the human metabolism is significantly faster, especially easy to hunger, fatigue.