Green eyes are the rarest of all, seen in just 2 per cent of the global population, making them less common than red hair or even being born with 12 fingers.

Blue light isn’t all bad. Some research has shown that low amounts of HEV can help decrease acne, for example, while other studies showed that limited exposure to the light may help some symptoms ...

Green light works great for every skin type, ... eye conditions such as macular degeneration or retinopathy, or who are pregnant may also want to avoid it, says Dr. Marmur. ...

Light helps explains the evolution of our skin colour, why some of us have curly hair, and the size of our eyes. And light still shapes us today.

University of Ferrara researchers in Italy have examined how European skin, eye and hair pigmentation evolved over the past 45,000 years. Findings indicate that lighter pigmentation traits emerged ...