Tanning Appears Addictive
That “healthy glow” many love has proved to be less than healthy—the link between excessive ultraviolet (UV) exposure and skin cancer is well established—so why do they continue to tan? One possibility is that they are addicts. Researchers found that chronic exposure to UV radiation triggers the release of endorphins, so-called feel-good hormones, in mice. The regular exposure leads to physical dependence so strong that the animals exhibit withdrawal symptoms like shaking, tremors, and teeth chattering when those endorphins are blocked. Mice and humans have a similar biological response to UV exposure, meaning that tanning may be similarly addictive in people. More… Discuss
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