Epidemiology: The story of disease.

Epidemiology: The story of disease.

Every good story includes the “5 Ws”: who, what, where, when, and why. In studying how disease begins and remains in a population, we’re writing the story of that disease, and we use the same technique. Understanding the various approaches to the “5 Ws” of a given...
Nutrient: Vitamin D

Nutrient: Vitamin D

Vitamin D is both a nutrient we eat and a hormone our bodies make when the skin is exposed to sunlight. It is a fat-soluble vitamin that has long been known to help the body absorb and retain calcium and phosphorus; both are critical for building bones. Also,...