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1 .This is Scientific American's 60-Second Health.I'm Dina Fine Maron.Got a minute?
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2 .You may love to soak up the sun or the UV rays at the tanning salon.
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3 .But are you actually addicted?
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4 .A study finds that mice regularly exposed to UV produced the feel-good opioid ¦Â-endorphin, and behaved like addicts.
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5 .What's more, when they were given a drug that blocked the opioid effects, they went through the rodent equivalent of withdrawal: shaky paws and chattering teeth.
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6 .The study is in the journal Cell.
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7 .The mice were exposed to UV light roughly on par with a fair-skinned human soaking up a half-hour of Florida midday sun, five days a week for a month-and-a-half.
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8 .But it took just one week for the endorphin levels to zoom.
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9 .Mice are normally nocturnal and, of course, covered by fur.
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10 .But the research team says that the apparent physical reward for UV exposure suggests it's worth exploring if a similar chemical reaction may be spurring humans to keep running to the beach or tanning bed.
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11 .They also say it's likely sunblock would protect against these UV-induced addictive behaviors.
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12 .Yet another reason to slather on the sunscreen.
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13 .Thanks for the minute, for Scientific American's 60-Second Health. I'm Dina Fine Maron.
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