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High-carb intake in infancy has lifelong effects, UB study finds
Date:3/19/2013

BUFFALO, N.Y. Consumption of foods high in carbohydrates immediately after birth programs individuals for lifelong increased weight gain and obesity, a University at Buffalo animal study has found, even if caloric intake is restricted in adulthood for a period of time.

The research on laboratory animals was published this month in the American Journal of Physiology: Endocrinology and Metabolism; it was published online in December.

"This is the first time that we have shown in our rat model of obesity that there is a resistance to the reversal of this programming effect in adult life," explains Mulchand S. Patel, PhD, SUNY Distinguished Professor of Biochemistry and associate dean for research and biomedical education in the UB School of Medicine and Biomedical Sciences.

The research has applications to the obesity epidemic in the U.S., particularly as it relates to infant nutrition, Patel explains.

"Many American baby foods and juices are high in carbohydrates, mainly simple sugars," he says. "Our hypothesis has been that the introduction of baby foods too early in life increases carbohydrate intake, thereby boosting insulin secretion and causing metabolic programming that in turn, predisposes the child to obesity later in life."

For more than 20 years, Patel and his UB colleagues have studied how the increased intake of carbohydrate-enriched calories just after birth can program individuals to overeat.

For their rat model of obesity, the UB researchers administered to newborn rat pups special milk formulas they developed that are either similar to rat milk in composition, (higher in fat-derived calories) or enriched with carbohydrate-derived calories.

"These pups who were fed a high-carbohydrate milk formula are getting a different kind of nourishment than they normally would," explains Patel, "which metabolically programs them to develop hyperinsulinemia, a precursor for obesity and typ
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Contact: Ellen Goldbaum
goldbaum@buffalo.edu
716-645-4605
University at Buffalo
Source:Eurekalert  

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