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The National Library of Medicine (NLM), on the campus of NIH in Bethesda, Maryland, is the world

The mission of NINDS is to reduce the burden of neurological disease - a burden borne by every age group, by every segment of society, by people all over the world.

HealthGrades, the leading independent healthcare ratings company. Research hospitals, doctors, nursing homes, and more.

Trusted medical information to encourage healthy living. Enjoy free health tools and view detailed doctor-reviewed information about diseases, medical symptoms, treatments, drugs, and nutrition.

In-depth information on back pain, neck pain, lower back pain, sciatica and more, including articles, videos, forums and physician interviews.

LIVESTRONG offers trusted health information and health news on diseases, symptoms, drugs, treatments and more. Get healthy with LIVESTRONG

Award-winning, trustworthy, and credible health information and tools for patients from American Academy of Family Physicians.

Written by a physiotherapist clear information you can trust to help you manage lower back pain

wiseGEEK: clear answers for common questions

Resources on diseases, disorders and chronic illness, including medical news, information, articles, community forums and chat, email, books, newsletter, directory of related web sites and more.