Vitamin D: Are You D-ficient?
Vitamin D is an important and essential nutrient—it may reduce your risk of heart disease and some kinds of cancer. But research shows that 30 to 50 percent of Americans don’t get the vitamin D their bodies need for good health. Do you know the facts about vitamin D? How do you make sure you’re not short on this essential nutrient? Take this quiz to find out.
—Alice Lesch Kelly