Evolution to be blamed for bad backs, tooth aches: Scientists
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Although lacking wisdom teeth does not provide a survival advantage in the modern world,
Prof Mann suggested that the trait may one day die out because people with aching jaws might be marginally less likely to have children.
He said that one plausible scenario might be that one evening, a partner in a relationship suggests a bout of reproduction, and the other partner, plagued by an impacted third molar which is painful enough to be distracting, says: "not tonight dear, my jaw is killing me."