Vitamin D deficiency is an age-old public health problem. It was first described, as rickets, in the mid-17th century by Francis Glisson and other fellows of the Royal College of Physicians in London.

Vitamin D is most commonly associated with the development ... The World Health Organization describes childhood obesity as one of the most serious public health challenges of the 21st century, ...

One cup of this fruit contains 21 percent of your daily value of vitamin C and 18 percent of your daily value for vitamin A — two essential immune-boosting vitamins,” says Shenkman.

People living in Scotland 400 hundred years apart have been shown to suffer similar seasonal declines over winter in their vitamin D levels despite the enormous changes in lifestyle and diet over ...