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When obesity is an inherited trait, maybe gut bacteria is the link

When obesity is an inherited trait, maybe gut bacteria is the link

When wondering whether genes are contributing to your struggle with weight, a new study suggests it might be useful to look within -- at the garden of bacteria growing in your gut. In particular, you might well wonder whether, in addition to their failure to bequeath you the genes for athletic prowess and a strong jaw line, your parents also failed to pass on a genetic predisposition to play host to the bacterium Christensenella minuta in abundance. In a new study that explored the fecal samples of 416 twin pairs in the United Kingdom, researchers found evidence to suggest that this strongly heritable strain of gut bacterium protects against obesity. The new research, which draws a...

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