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      Obesity in young men after famine exposure in utero and early infancy.

      The New England journal of medicine

      Adipose Tissue, cytology, embryology, Adult, Diet, Female, Fetus, physiology, Growth, Humans, Hypothalamus, Infant, Infant Nutrition Disorders, complications, epidemiology, Infant, Newborn, Male, Netherlands, Obesity, etiology, Pregnancy, Pregnancy Complications, physiopathology, Pregnancy Trimester, First, Pregnancy Trimester, Second, Pregnancy Trimester, Third, Social Class, Starvation

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          Abstract

          In a historical cohort study of 300,000 19-year-old men exposed to the Dutch famine of 1944-45 and examined at military induction, we tested the hypothesis that prenatal and early postnatal nutrition determines subsequent obesity. Outcomes were opposite depending on the time of exposure. During the last trimester of pregnancy and the first months of life, exposure produced significantly lower obesity rates (P less than 0.005). This result is consistent with the inference that nutritional deprivation affected a critical period of development for adipose-tissue cellularity. During the first half of pregnancy, however, exposure resulted in significantly higher obesity rates (P less than 0.0005). This observation is consistent with the inference that nutritional deprivation affected the differentiation of hypothalamic centers regulating food intake and growth, and that subsequent increased food availability produced an accumulation of excess fat in an organism growing to its predetermined maximum size.

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          Journal
          934222
          10.1056/NEJM197608122950701

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