It's not like it's a new word, but Dictionary.com has made it official: The word "Swiftie" was added to the website as part of its Fan Favorite Winter Word Drop 2026.
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.