In a study involving about 12 million adults, those with a deficiency of vitamin D had a 28.6% higher risk of developing dry eye disease than those with adequate levels of the nutrient. Researchers ...

When the days shorten and the sun sinks low in the sky, that familiar winter slump sets in. There's a fundamental reason for this seasonal fatigue: low levels of vitamin D—the "sunshine vitamin." ...

Despite living in an age of abundant food options and supplements, certain vitamin and mineral deficiencies remain surprisingly common – and vitamin D is among the most widespread. Research suggests ...

This vitamin plays a crucial role in maintaining overall health. But that doesn’t mean you need to take a supplement.

Vitamin D plays a crucial role in bone health. FotoHelin/ Shutterstock When the days shorten and the sun sinks low in the sky, that familiar winter slump sets in. There’s a fundamental reason for this ...

When the days shorten and the sun sinks low in the sky, that familiar winter slump sets in. There’s a fundamental reason for this seasonal fatigue: low levels of vitamin D – the “sunshine vitamin”.