MedlinePlus: Children's HealthMedlinePlus is the National Institutes of Health's Web site for the public. Produced by the National Library of Medicine, it provides information about diseases, conditions, and wellness issues. It can be used to learn about the latest treatments, look up information on a drug or supplement, find out the meanings of words, or view medical videos or illustrations. There are links to the latest medical research and information about clinical trials on a disease or condition.