Marketers have long known the power of color to manipulate consumers. Red and yellow supposedly make us hungry, while blue can calm us down. Apparently, we’re not alone in our subconscious ...

Is blue light actually harmful to your sleep? Why the science isn't so clear on this popular belief Some research shows yellow light is more harmful than blue to a good night's rest.

White Or Light Blue Background. But the blood vessels are not empty, of course: ... White blood cells, however, are transparent to light, and do not simply blend into the shadow.

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.

If you’re curious about blue-light blocking glasses—and you don’t need a prescription—the Sojos She Young pair is a great place to start. These flexible, wire-framed specs are comfy, and ...

A new study concluded that blue light glasses probably have no greater effect on the eyes than non-blue light glasses, contradicting research that says they help with eye strain, sleep quality ...