Pediatric resources and advice about common children's health issues, with parenting and medical information about immunizations, common problems, infections, nutrition, safety, growth, and development, so that you can keep your kids safe and healthy.

The eMedicine point-of-care clinical reference features up-to-date, searchable, peer-reviewed medical articles organized in specialty-focused textbooks, and is continuously updated with practice-changing evidence culled daily from the medical literature.

Learn what primary immune deficiency is, how it’s diagnosed, what you need to know about living with various types of primary immune deficiency, and how IVIG therapy can help… and find insurance assistance, resources, and support.

The National Library of Medicine (NLM), on the campus of NIH in Bethesda, Maryland, is the world's largest medical library. It collects materials in all major areas of the health sciences and to a lesser degree in such areas as chemistry, physics, botany and zoology. The collections stand at 5 million items--books, journals, technical reports, manuscripts, microfilms, photographs and images. Housed within the Library is one of the world's finest medical history collections of old (pre-1914) and rare medical texts, manuscripts, and incunabula.

wiseGEEK: clear answers for common questions

Find the Web's best health guides, medical reports, health news, and videos for any health topic.

Extensive knowledge base of medical information on symptoms, diagnosis, and misdiagnosis of more than 20,000 medical conditions. Research causes of your symptoms or research treatments for diseases.