Vitamin D deficiency is common in Afghanistan, particularly among women and can lead to weak bones, muscle pain and fatigue.

DEAR READERS: This study is a remarkable analysis of the influence of solar radiation cycles and UV light on our levels of vitamin D: "Relation of pandemics with solar cycles through ozone, cloud ...

I had lab work done recently and received a panic call from the doctor’s office that my vitamin D level was 29 ng/mL. I ...

Friday, March 20th, is the vernal equinox, the first day of Astronomical Spring. The vernal equinox doesn’t just mean the beginning of warmer days, but also longer days.

Menopause expert Nadia Alibhai explains why vitamin D is so crucial in midlife, and how you can make sure you're getting ...

Millions of Americans take a daily vitamin, assuming it is doing something. That assumption is not always correct. The gap ...

Learn how lower vitamin D levels in winter can affect your calcium balance, why it matters for bone health, and what you can ...

Supplements may help too, according to emerging research. We asked experts which supplements women over 50 should consider taking. Here are the top five supplements they recommend and why. “Vitamin D ...