A woman's pre-pregnancy bariatric surgery might change her future children's risk for obesity, according to a study presented at the Canadian Cardiovascular Congress. Researchers compared obesity-related genes in siblings and found different expression profiles in those born after their mother's bariatric surgery. "Basically, this study tells us that maternal obesity affects the obesity and cardiovascular risk profile of offspring and that weight loss can improve the cardiovascular health of children," said researcher Frédéric Guénard.

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