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The sun is the biggest culprit in causing skin cancer, but there’s a beverage that may thwart it some
You may grab a cup (or two) of coffee every morning to help you wake up and face the day, but you may also be doing your skin a favor. Researchers in a new paper released January 20 say that coffee can protect against melanoma, the deadliest form of skin cancer.
by Alice Park
Melanoma is triggered by damage to skin cells’ DNA caused by UV rays from the sun or tanning beds; these mutations prompt the cells to grow abnormally and spread to other tissues in the body, where it can be fatal. But in a report published in the Journal of the National Cancer Institute, Erikka Loftfield from the National Cancer Institute and her colleagues found that people who drank more than four cups of coffee a day on average had a 20% lower risk of developing melanoma over 10 years.
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Loftfield’s group looked at food and cancer information from more than 447,000 people enrolled in a National Institutes of Health-AARP study who answered a 124-item food questionnaire and allowed the scientists access to their medical records. Even after the team adjusted for the potential effects of age, smoking, alcohol use and family history of cancer, the connection between high coffee consumption and lower risk of melanoma remained significant. The researchers even factored in the potential effect of casual sun exposure by looking at the average July ultraviolet readings where the participants lived.
The group says that their results need to be repeated and confirmed, and that it’s too early yet to change your coffee habits to protect yourself from skin cancer. But the findings support the idea that there might be more you can do to protect yourself from the sun’s harmful rays than only slathering your body in sunscreen. It’s okay to enjoy a few cups of joe (as long as it’s in the shade).