Iron is necessary to maintaining a healthy body, but did you know too much can actually be dangerous?
Lizards don't really breathe and walk at the same time. Does this mean that dinosaurs couldn't either?
How much damage can one little peanut do? An awful lot for those who are allergic.
Through the early 1600s, physicians believed there were two kinds of blood, one made by the liver and one by the heart...
There's one da Vinci of the body, a true Renaissance organ, which can perform functions of the lungs, liver, stomach and kidneys.
Fatty liver disease occurs when fat builds up around the liver and can damage it permanently. Learn more on this Moment of Science.
Does caffeine counteract certain ugly side effects of alcohol? Is there any reason to be wary of mixing the two substances?
How do steroids work, and what makes them so dangerous? Find out on this Moment of Science.