TZ 寿命寿命是有遗传基础的。我们可以看到,有些家族中的成员个个长寿,但也有短命的家族存在。寿命的长短有家族聚集的倾向性。如果你的家族中有长寿的先例,那么你的孩子长寿的可能性是很大的。最有说服力的是对同卵双胞胎的调查。资料统计,在60岁～75岁去世的双胞胎中,男性双胞胎死亡的时间平均相差4年,女性双胞胎仅差两年。不过,寿命也受环境因素 TZ life expectancy is a genetic basis. We can see that some members of the family longevity, but there are short-lived family existence. The length of life has the tendency of family aggregation. If your family has a long-lived precedent, then your child is likely to live longer. The most convincing is the investigation of identical twins. According to statistics, among twins aged 60 to 75, the average number of deaths of male twins is four years, while that of female twins is only two years. However, life expectancy is also affected by the environment