Release date: 2014-11-28
According to the Science Daily, scientists are still looking for the cause of childhood obesity epidemics, given the growing waistline of American children. A researcher at the University of Alabama at the Birmingham School of Public Health has proposed a new theory that explains why American babies are born at a higher birth weight than any period in American history.
The latest theory shows that childhood obesity stems from mother
According to the Centers for Disease Control and Prevention, the number of obese children has doubled in the past 30 years, and the number of obese adults has quadrupled. In 2012, more than one third of children and adults were overweight or obese. "Children's obesity is a major public health problem in the 21st century, and it will continue to be a hidden danger unless we can fully understand why children are obese." Edward Archer, a postdoctoral researcher at the Center for Nutritional Obesity and the Office of Energetics (Edward) Dr. Archer) said this.
Archer said that there is no definitive theory to explain why children are getting fatter so fast, and the common concept of "too much to eat too much" is too simple, and it will lead to humiliation for a large part of the population. Through a meta-theoretical analysis, Archer combines a series of concepts in the field of science and creates a grand narrative. The Childhood Obesity Epidemic Originated from Non-Genetic Evolution: The Maternal Resource Hypothesis was published in the November issue of Mayo Clinic. Journal.
"This article is a major advancement in evolution, obesity, and health theory and science," Archer said. “It combines more than a century of scientific evidence in a range of fields, including pediatrics, evolutionary biology, anthropology and epidemiology, and proposes a new theory on the causes of childhood obesity epidemics.†Main findings:
1. Obesity is the result of fat cells competing with other tissues for gaining energy through food intake.
2. Women's physical activity and body composition before pregnancy, during pregnancy and after pregnancy have chemistry results, because they not only determine women's metabolism and disease risk, but also determine the metabolism of her children, great-grandchildren and great-grandchildren. Disease risk.
3. The evolution of women in many subpopulations exceeds a “metastatic thresholdâ€, which makes her offspring almost inevitably facing obesity and poor physical health.
"My theory is that obesity is the result of non-genetic evolutionary forces, such as social/cultural evolution, which causes fat cells to dominate competition," Archer said. “Since the 1960s, mothers have become more and more inactive, sedentary and heavier and heavier. This has changed their metabolism during pregnancy. Because of not exercising, between fat and muscle cells Less competition, more energy is used to increase the number of fat cells in unborn children in their body. This result greatly increases the risk of obesity and disease in infants and children.†Archer said these The discovery shows that the cause of childhood obesity, which is generally highlighted, is not the root cause of the problem, which dates back to the previous generation.
"My article mainly explains that overeating and laziness are not the main determinants of obesity. I hope this will dispel the fog of ignorance. The latter often leads to people who are kind enough to mistake children for being too obese because of lack of perseverance or the mother of the child. No healthy food is prepared for the children,†Archer said. "Perseverance and goodwill cannot win in evolution."
In order to stop the continued evolution of obesity, Archer said that expectant mothers should carry out physical activities, especially during adolescence, in order to prepare for their metabolism during the next trimester, and to give birth to a healthier baby. Archer believes that clinicians must understand that pre-pregnancy and prenatal exercise are essential tools for combating obesity but have not yet been fully utilized. "Evolution is the cause, and the mother who strengthens the body movement is the secret of healing," Archer said. "Only mothers have the ability to change the evolution of obesity." Archer hopes to develop effective interventions based on his own theories. He is currently building virtual people through computer modeling, including pregnant women. “Science can improve the lives of mothers and children, and my theory is the first step towards this goal.â€
Source: Phoenix Technology
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