There have been some rumblings over the past year about the effects of HEV light — the type emitted from smartphones, computers, and tablets — on skin. While we tried to swat those worries away (don’t we have enough skin woes to worry about?), they niggled at the back of our minds, so we called Elizabeth Hale, MD, renowned dermatologist, sun protection expert, and Vice President of the Skin Cancer Foundation,to get the full scoop.