No studies have confirmed whether life expectancy is inherited from the father or the mother. However, some diseases may be hereditary, such as high blood pressure, diabetes, and certain tumors, which may affect life expectancy if the disease is not well controlled. Life expectancy is mainly related to personal habits, diseases and body resistance. 1. Personal life habits: If the personal life habits are better, and reasonable diet, and the body has no adverse reaction, it may not affect the life expectancy. 2. Diseases: If you suffer from brain diseases, accompanied by high blood pressure and high blood fat, and the condition is more serious, it may affect your life, and may lead to a shorter life expectancy, and when you suffer from a disease, you need to pay attention to it, and actively cooperate with the doctor to treat it, so that your life expectancy can be prolonged through continuous treatment. 3. Body resistance: If the body resistance is strong, and every day reasonable fitness, and there are no other complications, this case will not affect the life expectancy. Usually to develop good habits, every morning can do some exercise, can improve their own immunity and resistance, is conducive to good health.