When is a baby's head TOO big? As Paris Hilton's son is mocked by cruel online trolls, research shows one in 50 newborns have condition and it can be deadly for one

Two percent of babies are born with macrocephaly, a scary-sounding word that just means large head. Paris Hilton and her infant son were bullied for what some said was his too-large head.

Paris Hilton Calls Out Trolls Who BULLIED her 9-month-old Son For Having a Big Head!

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