9 Surprising Facts About Redheads You Probably Didn't Know [{ "selector": ".qgniz-a", "duration": "500ms", "fill": "forwards", "delay": "500ms", "keyframes": [ {"offset": 0, "opacity": 0}, {"offset": 1, "opacity": 1} ] }]

According to a short research published in the journal Anesthesiology, redheaded women required 19 percent more desflurane to be put to sleep than women with dark hair.

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According to some scientists, the protein mutation that generates red hair and pale complexion makes redheads more sensitive to pain, making anesthesia more difficult for them. [{ "selector": ".ukatq-a", "duration": "500ms", "fill": "forwards", "delay": "250ms", "keyframes": [ {"offset": 0, "opacity": 0}, {"offset": 1, "opacity": 1} ] }]

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"Women with red hair were clearly more active than those with other hair colors, with more partners and having sex more often than the average." [{ "selector": ".spcnp-a", "duration": "500ms", "fill": "forwards", "delay": "250ms", "keyframes": [ {"offset": 0, "opacity": 0}, {"offset": 1, "opacity": 1} ] }]

A fact about redheads is that they are about two and a half times as likely to develop the dangerous skin cancer as people with other hair colors. [{ "selector": ".zxgpp-a", "duration": "500ms", "fill": "forwards", "delay": "250ms", "keyframes": [ {"offset": 0, "opacity": 0}, {"offset": 1, "opacity": 1} ] }]

The results? [{ "selector": ".qbint-a", "duration": "500ms", "fill": "forwards", "delay": "250ms", "keyframes": [ {"offset": 0, "opacity": 0}, {"offset": 1, "opacity": 1} ] }]

Bill Gates Responds to Extramarital Affairs Claims: 'I Inflicted Harm'

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According to a short research published in the journal Anesthesiology, redheaded women required 19 percent more desflurane to be put to sleep than women with dark hair.

After leading a survey of 6,000 German women through the Hamburg Medical Research Institute in Germany.

Bill Gates Responds to Extramarital Affairs Claims: 'I Inflicted Harm'