Morning sickness is Mother Nature's way of protecting mothers and their unborn, Cornell biologists find

As unpleasant as it is, the nausea and vomiting of "morning sickness" experienced by two-thirds of pregnant women is Mother Nature's way of protecting mothers and fetuses from food-borne illness and also shielding the fetus from chemicals that can deform fetal organs at the most critical time in development.

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Scientists believe they've discovered why women suffer morning

Morning sickness is Mother Nature's way of protecting mothers and

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