Blue light is a high-energy part of visible light from the sun, screens, and light-emitting diode (LED) bulbs. Your cornea and lens don’t block blue light the way they block ultraviolet (UV) rays.

If you’ve ever suffered from dry, irritated eyes or struggled to fall asleep after a long day of staring at your computer, you may have been tempted to purchase a pair of blue-light-blocking glasses.

Sherri Gordon, CLC is a certified professional life coach, author, and journalist covering health and wellness, social issues, parenting, and mental health. She also has a certificate of completion ...

Our expert, award-winning staff selects the products we cover and rigorously researches and tests our top picks. If you buy through our links, we may get a commission. David lives in Brooklyn where he ...

Human blood is red, not blue, because of the hemoglobin in our red blood cells. Veins look blue through the skin because of how the tissue absorbs and reflects light. If you're under the impression ...

“Blue Rush” is the best New York Giants podcast. This season, the co-hosts are New York Post sports anchor Brandon London and New York Post Giants beat writer Paul Schwartz. No one covers the Giants ...

Blue nails may indicate that the blood is not carrying enough oxygen to the fingertips. There are many possible causes, including heart and lung diseases. Anyone with blue nails should seek medical ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Danny and Lena, the show’s main characters, find themselves unofficial partners, as they go from ...

Rajeev Dhir is a writer with 10+ years of experience as a journalist with a background in broadcast, print, and digital newsrooms. Amy Soricelli has over 40 years working with job candidates and has ...