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"Caffeine + Exercise

The benefit: A daily Starbucks (or better yet- locally owned coffee house) run may protect your skin.

The science: Researchers from Rutgers University found that when sunburned mice guzzled caffeinated water and then hit the running wheel, their risk of developing skin cancer plummeted. Turns out both caffeine and cardio trigger damaged skin cells to self-destruct before they can turn cancerous. And when the two are combined, this effect isn't just cumulative; it's exponential. Case in point: The rodents that drank and ran had one-third as many damaged skin cells as mice that did only one or the other.

The take-home message: To realize the same effect yourself, try one or two cups of coffee after your exercise session, say the scientists."