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9 Strange Facts About Redheads You Never Knew Before

Reader's Digest Logo By Beth Dreher of Reader's Digest | Slide 1 of 9: A small study in the journal Anesthesiology found that redheaded women required 19 percent more of the anesthesia desflurane to be put to sleep than women with dark hair. Some scientists think that the protein mutation that causes red hair and fair skin makes redheads more sensitive to pain and therefore it's more difficult to anesthetize them. Find out the secrets ER staff won't tell you.

They're harder to anesthetize

A small study in the journal Anesthesiology found that redheaded women required 19 percent more of the anesthesia desflurane to be put to sleep than women with dark hair. Some scientists think that the protein mutation that causes red hair and fair skin makes redheads more sensitive to pain and therefore it's more difficult to anesthetize them. Find out the secrets ER staff won't tell you.

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