Learn more› By Kaitlyn Wells and Zoe Vanderweide If you believe the hype, blue-light blocking glasses will prevent headaches, decrease eyestrain, and help you sleep like a baby. But do they work?
WCCO, MINNESOTA HISTORY CENTER, MINNESOTA HISTORICAL SOCIETY, CNN By John Lauritsen Click here for updates on this story ST. PAUL, Minnesota (WCCO) — In the basement of the Minnesota History Center, ...