Though it’s rare, a severe vitamin D deficiency can lead to a disease called rickets, also known as osteomalacia. Typically, ...

Vitamin D is not only important for bones but also for our muscles, immunity and heart health. But due to lack of sunlight, ...

Your immune system needs sunlight like plants need water. Without adequate exposure to natural light, your body's defense mechanisms weaken in ways most ...

Why vitamin D advice fails people with darker skin tones - melanin-rich skin has evolved different vitamin D metabolism mechanisms.

Nearly a quarter of Americans are estimated to have a vitamin D deficiency. Why is that? A 2022 study of National Health and ...

Twitter co-founder Jack Dorsey has released a new app that tracks your sun exposure and vitamin D levels. It’s his second app ...

The Best Time to Take Vitamin D for Maximum Absorption, According to Health Experts A doctor and dietitian break down what to consider as you choose when to take your dose. Karla Walsh.

Vitamin D for Heart Health: Where the Benefits Begin and End. National Heart, Lung, and Blood Institute. September 27, 2022. Food Sources of Vitamin D. Dietary Guidelines for Americans.

New research suggests vitamin D may help slow biological aging by reducing telomeres shortening, a key marker of cellular aging. Newsweek has reached out to some of the study's authors as well as ...

Vitamin D is not just about strong bones. It is involved in everything from keeping your immune system sharp to balancing your hormones. And it's a public health concern in the U.S. because most ...