Washington: A new study has revealed that a mum`s high-fat, sugary diets may lead to birth of an offspring with a taste for alcohol and sensitivity to drugs.According to findings from animal lab experiments presented at APA`s 121st Annual Convention, vulnerability to alcohol and drug abuse may begin in the womb and be linked to how much fatty and sugary foods a mother eats during pregnancy."The majority of women in the U.S. at child-bearing age are overweight, and this is most likely due to overeating the tasty, high-fat, high-sugar foods you find everywhere in our society. The rise in prenatal and childhood obesity and the rise in number of youths abusing alcohol and drugs merits looking into all the possible roots of these growing problems," Nicole Avena, PhD, a research neuroscientist with the University of Florida`s McKnight Brain Institute, said.Compared to pups of rats that ate regular rodent chow, the offspring of rats that ate high-fat or high-sugar diets while pregnant weighed more as adults and drank more alcohol, and those on high-sugar diets also had stronger responses to commonly abused drugs such as amphetamine, Avena said.Her presentation examined experiments from three studies, each lasting about three months and involving three to four adult female rats and 10 to 12 offspring in each dietary condition.To determine effects of the mothers` diets during gestation, the offspring of rats fed the high-fat, high-sucrose or high- fructose corn syrup diets were nursed by mother rats that were eating regular chow.To determine the effects of the mothers` diets on the offspring during nursing, the pups with mothers that had eaten regular chow were nursed by mother rats that were eating either the high-fat, high-sucrose or high-fructose corn syrup diets.The pregnant rats` high-fat diet contained 50 percent fat, 25 percent carbohydrate and 25 percent protein, whereas the control diet reflected a recommended human diet, with 25 percent fat, 50 percent carbohydrate and 25 percent protein, Avena said.The offspring of rats that had high-fat diets while pregnant drank significantly more alcohol in adulthood than the offspring of rats with the regular chow diet, while there were no differences in the average daily amount of water they drank or chow they ate.The offspring of rats on the high-fat diet while pregnant also had significantly higher levels of triglycerides, a type of fat found in the bloodstream that can increase the risk of heart disease.
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