Attention, chocolate lovers: You may not be able to help yourselves. Swiss and British scientists have linked the widespread love of chocolate to a chemical "signature" that may be programmed into our metabolic systems.
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Nerve, efferent
Nerve, efferent: A nerve that carries impulses away from the central
nervous system. The word "efferent" comes from the Latin "ex, away or
out + "ferre", to bear = to bear out or carry away.