Dec 13th 2013, 18:34, by Russell Brandom
How does a mother’s weight-loss surgery affect her child’s risk of obesity? It’s a question scientists have been struggling with since a Laval University study published in April, which looked at children born to mothers who’d undergone gastric bypass surgery prior to their pregnancy. Researchers knew the children were less prone to obesity, but as they tried to figure out why, they found something unexpected. The children’s genes were different — not their genetic code itself, but the markers in between that code. It was a small study, but the results were striking: more than 5,000 genes were expressed differently when parents had undergone the surgery. The surgery had changed something in the mother’s DNA, and when the...
Continue reading…
No comments:
Post a Comment