Who would have thought to research this topic?
Researchers at Michigan State University and other institutions found that among 72 economically sufficient mothers in rural Kenya, women with sons generally gave richer milk (2.8 percent fat compared with 1.74 percent for daughters).* Poor women, however, favored daughters with creamier milk (2.6 versus 2.3 percent).
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The story goes on to predict that baby formula might have a HIS and a HERS formula in the future.