When you have a deficiency of vitamin D, it can interfere with your sleep or affect your sleep-wake cycle. This can lead to chronic fatigue and cause tiredness. Vitamin D plays an important role ...

One culprit is vitamin D deficiency. Not receiving enough of this vital nutrient can lead to all sorts of health issues, from osteoporosis to depression. And it turns out that it’s extra helpful for ...

Sunlight barely touches the bones of Detroit winters, but for Black women, the absence runs deeper than the sky’s reflection.