Blue-light-blocking glasses may help reduce eye strain from looking at screens. If you’ve recently gone shopping for a new pair of eyeglasses, there’s a chance you may have come across some ...

Coho salmon may be four times less aggressive in tanks with darker backgrounds than in tanks with light backgrounds, according to a study published March 30, 2016 in the open-access journal PLOS ...

How Blue Light Hurts Sleep. Your eyes aren’t good at blocking blue light. So almost all of it passes straight through to the back of your retina, which helps your brain translate light into images.

He conducted two studies on the effectiveness of blue light-blocking glasses on digital eye strain, and he joins us now. Welcome to the program. MARK ROSENFIELD: Thank you.