Kent Sepkowitz reviews Tara Parker-Pope's new book. He whacks her for basing a chapter on a "fidelity gene" found in the prairie vole:

The real scientific world decodes reality at the rate of a few millimeters per century. But the alternative world that gene studies and books like this one inhabit moves at the speed of light from a vole gene to a kissing gene to a cheating gene. Parker-Pope is trying to move Oprah World into the bright light of science. But she'd be better off leaving well enough alone. You just can't marry the self-help book, which forever has been free of information, to the field of genes. It's the intricate place where the real dreamers live.

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