Cold weather can cause frostbite and hypothermia, both of which are serious conditions. An expert shares prevention tips, symptoms and treatments. 

If there is a concern with your heart, screenings such as cardiac stress tests can provide further insights on how best to proceed with care.

Are school lunches healthy for your child? Learn about the USDA regulations that help ensure kids get the nutrients they need.

Overall, American diets have become less healthy within the past decade--but certain racial and ethnic communities have picked up some healthier eating habits along the way. Learn more.