Taking drops of a medical dye is trending in wellness and biohacking circles. Some influencers claim it boosts longevity and ...

The best part of Blue Bloods spin-off Boston Blue is the dynamic between Sonequa Martin-Green's Lena and Donnie Wahlberg's ...

Methylene blue is both a dye and an FDA-approved medication. Described as the first fully synthetic drug used in medicine, methylene blue was initially synthesized by a German chemist in 1876, and 15 ...

The Russian Blue cat is a naturally occurring breed known for its silvery blue coat, bright green eyes, and quiet, ...

We scored Blue Apron high for taste and ingredient quality, but we wish the service used less plastic. Our dietitian’s full review follows. Blue Apron is a popular meal kit service that delivers 2–5 ...

You may know them by the acronym ROY G BIV. Together, they make the white light you see when the sun -- the main source of blue light-- is shining. Fluorescent and LED (light-emitting diode) light ...

Blue light usually comes from the sun but also from digital screens and LED lights. Some experts believe artificial sources may be causing eye damage in humans, but animal studies are inconclusive.

Our product picks are editor-tested, expert-approved. We may earn a commission through links on our site. Why Trust Us? “Light, particularly the blue wavelength of light, is one of the strongest ...

Women's Health may earn commission from the links on this page, but we only feature products we believe in. Why Trust Us? When I was a kid, I was obsessed with Pixy Stix. You know, those little candy ...

If the skin around the lips is blue or purple, the issue is often temporary and no cause for concern. But if the skin of the lips is blue, and this tinge extends to the mouth, face, or other areas, ...

Blue toe syndrome is when one or more of a person’s toes starts to look blue or purple due to a lack of circulation or tissue ischemia. It can be painful and lead to ulcers and gangrene, in some cases ...