Diet during pregnancy can affect offspring lifespan

　　The researchers say that although their findings cannot be directly used to explain human healthy problem, but it can fully prove that those "lightweight" baby As adults, they are more likely to suffer from cardiovascular disease, etc. disease Relevant to its nutritional supply in the mother's body. In addition, research also proves that fetus Developmental conditions during pregnancy have a great impact on the length of life after birth.

　　In the first round of experiments, the researchers divided pregnant white mice into three groups. One group was given a protein-rich diet, while the other was given a low-protein diet. After the pups were born, the researchers switched the mothers so that the malnourished pups were fed by mothers on a standard diet, allowing them to gradually regain their physical strength. The third group is the control group. The mother mice in this group were fed a standard diet. After the pups are born, they are fed as normal.

　　Experimental results showed that the pups in the control group survived for about two years. The life span of white mice that received adequate nutritional supplementation in their mothers was on average two months longer than that of white mice in the control group. Those mice that did not receive good nutritional supplements during pregnancy lived an average of half a year less than the mice in the control group.

　　In a second round of experiments, the researchers divided half of each litter and weaned them on day 21 and fed them a high-calorie, high-sugar diet known to make people fat. The other half of the pups were fed a standard diet. Experimental results showed that those white mice that did not receive good nutritional supplements in their mothers and adopted unhealthy diets after weaning only lived for one year, which was half the lifespan of the other half of the mice.

　　The researchers said that the high-calorie diet did not have a significant impact on the pups of mice that had received good nutritional supplements in their mothers. In the past, studies have shown that "lightweight" newborns are more likely to develop heart disease and high blood pressure as adults. This shows that the mother's own lack of good nutritional supply will affect the normal development of the fetus.

　　In this study, researchers found that some key organs, such as kidneys, of white mouse fetuses were damaged due to lack of good nutritional supply. According to the experimental results, different nutritional supplies during human pregnancy have a great impact on the life span of the child, and can even affect whether the child lives to 50 or 75 years old.