Tan lines and sunburns are our souvenirs of summer. Unfortunately, they’re also reminders that we’ve had too much sun and the sun has damaged our skin. How does sun exposure harm skin, and what are the physiological processes that make us tan and burn? The sun gives off a kind of radiation called ultraviolet (UV) … Continue reading Soak Up the Rays without Soaking Them In: Be Sun Safe and Prevent Skin Damage