Iron is necessary to maintaining a healthy body, but did you know too much can actually be dangerous?
Toddlers and slightly older children are prone to chew on things that make adults react with alarm. However, for many children between the ages of two and three, compulsively eating non-food items is an eating disorder known as pica. Learn more on this Moment of Science.
Do you have Restless Leg Syndrome? Find out what causes such persistent itches on this Moment of Science.