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Mayo Clinic — Comprehensive medical diagnosis and treatment; locations and services; request an appointment.

Read doctor-produced health and medical information written for you to make informed decisions about your health concerns.

FootSmart offers comfortable shoes, socks and foot care products to relieve foot problems. Browse our selection of dress shoes, casual shoes, sandals and orthopedic products. Get information about foot conditions, solutions and treatments.

Health information for consumers on first aid for medical emergencies, accidents and injuries, symptoms and treatment of disease and health conditions, and physical and the emotional well-being that contribute to general wellness.

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

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.

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