Science Buddies
Science Buddies: I Love Ice Cream, but It Doesn't Love Me: Lactose Intolerance
Pizza, milk shakes, and ice cream sundaes all contain dairy products, therefore they cannot be eaten by the majority of people around the world. Dairy products contain the sugar molecule lactose, and the majority of people on the planet...
US National Library of Medicine
Medline Plus: Pernicious Anemia
This site contains details of pernicious anemia, alternative names, definition, causes and risks, prevention, symptoms, signs and tests, treatment, and complications. It also includes a picture of pernicious anemic red blood cells.