Dear Mayo Clinic: I have heard different recommendations from different sources regarding vitamin D. One doctor told my husband that everyone living in the Northern Hemisphere should take a ...

Not getting enough vitamin D may lead to problems with completing everyday tasks later on in life. A new study in the Journal of Clinical Endocrinology & Metabolism revealed that older people with ...

Obese teenagers need significantly more vitamin D than their leaner counterparts, say researchers in a new US study which suggests that current recommended guidelines are sorely insufficient. Accor… ...

"Vitamin D acts as a hormone in the body and too much of it can lead to a number of problems." "Smaller amounts (400 IU) are recommended in the first year of life," she told Fox News Digital.

People in Florida, California, and Arizona are walking around with low vitamin D levels despite living in what should be vitamin D paradise. The problem is that we’ve been oversimplifying how ...

A lack of vitamin D can result in weak bones. Recent studies also show that vitamin D deficiency is linked to more serious health risks such as coronary artery disease, heart attacks, and strokes.

Usually, vitamin D has to be converted into a 25-hydroxyvitamin D (calcidiol) to be used by the body, but in the case of obese people, this does not happen. So the researchers in this study have ...

WASHINGTON — The nation’s largest medical lab company says it recently discovered and fixed a problem that led to inaccuracies in a small number of tests for vitamin D deficiency. Quest ...

One doctor told my husband that everyone living in the Northern Hemisphere should take a vitamin D supplement every day, even in the summer. What do you recomme... $2 for 6 months SUBSCRIBE NOW ...

Q: About five years ago, I began to suffer severe pain in my left hip and leg. It was agonizing when I lay in bed. I had to crawl on my hands and knees to climb stairs. Physical therapy did not ...

ANN ARBOR -- A new study links low vitamin D in young girls with early menstruation, which is a risk factor for a host of health problems for teen girls as well as women later in life. Researchers ...