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”.

Scientists are still untangling why the nutrient gap persists—and what it reveals about how women’s health is studied and treated. A woman lounges on a chair in the sun. Vitamin D is a crucial ...

Jillian Kubala, MS, is a registered dietitian based in Westhampton, NY. Jillian uses a unique and personalized approach to help her clients achieve optimal wellness through nutrition and lifestyle ...

The 2026 D Awards has announced its second lineup! On December 18, D Awards revealed the second lineup of artists consisting of BOYNEXTDOOR, 82MAJOR, QWER, and izna. 2026 D Awards will take place on ...

2026 D Awards is back for its second celebration! On December 1, it was announced that the awards ceremony will take place on February 11, 2026, at Hwajeong Gymnasium of Korea University in Seoul. The ...

The sunshine vitamin could affect your immune system and heart health. It has started to get really wintry here in London over the last few days. The mornings are frosty, the wind is biting, and it’s ...

Nick Blackmer is a librarian, fact-checker, and researcher with more than 20 years of experience in consumer-facing health and wellness content. Vitamin D is critical for immune defense, osteoporosis ...

A source confirms to PEOPLE that the singer has died after being diagnosed with pancreatic cancer Ilana Kaplan is a Staff Editor at PEOPLE. She has been working at PEOPLE since 2023. Her work has ...

Kerry Breen is a news editor at CBSNews.com. A graduate of New York University's Arthur L. Carter School of Journalism, she previously worked at NBC News' TODAY Digital. She covers current events, ...

But why should you care about vitamin D in the first place? “Vitamin D is a fat-soluble vitamin (that functions more like a hormone in the body) found in foods and produced endogenously when ...

Vitamin D is a health superstar, supporting your body from head to toe. Research suggests that it plays a key role in building strong bones and muscles, keeping your immune system and your ...

Your body needs a wide range of vitamins and nutrients to run efficiently, but there are some that are harder to get from foods than others. Vitamin D is one of them. While some foods do contain ...