First, there were great defects in the physiology of ancient emperors, especially in feudal dynasties? Hereditary system Therefore, in order to concentrate the imperial power, the royal family will basically choose people of noble descent to marry, especially in the Tang, Ming and Qing dynasties. Emperors usually choose their maternal cousins to get married, and when the prince born is accused of getting married in the future, he will still choose women from the same family. From the perspective of modern medicine and genetics, this ancient marriage custom belongs to? Inbreeding? Inkin marriage is the most likely to lead to physical defects and poor physical function and quality, so ancient emperors and heirs will die young.
Second, the ancient emperors had a tight schedule and great pressure. In fact, ancient emperors worked hard. They must deal with all kinds of things as soon as possible, and they must read all kinds of memorials. Therefore, there are descriptions of the emperor in TV dramas and historical materials. Busy day? This kind of work intensity can easily consume personal energy, and various things will also increase the psychological pressure of the emperor, leading to the gradual deterioration of the emperor's health and shortened life expectancy. Secondly, the unknown emperor is risky, and all relatives and heirs want to sit on it. Therefore, many short-lived emperors in unofficial history are suspected of dying in the imperial power struggle.
Third, the ancient emperors' ways of keeping in good health were greatly deviated. Many emperors want to prolong their rule through immortality, so they often arrange doctors to make various adjustments and listen to various alchemists to take some pills. However, the ancient refining technology was limited, so these toxic substances would lead to the emperor's poor health. Many doctors are unwilling to reveal the real physical condition of the emperor in order to preserve their sanity, which eventually delays the best treatment opportunity, so the life span of the emperor will be very short.