There's more than one individual, so they can refute the hypothesis that this is just some kind of freak. Also, the data suggest that the remains are from a fairly long time span, so that makes it tough to say that this is due to some sort of disease.
More Quotes from Daniel Lieberman:
Although the original skeleton is estimated to be 18,000 years old, a child's radius (arm bone) was found in deposits estimated to be 12,000 years old.Daniel Lieberman
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Like fragile ice anger passes away in time.
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People who have given us their complete confidence believe that they have a right to ours. The inference is false, a gift confers no rights.
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Acting is standing up naked and turning around very slowly.
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