Mayo Clinic offers award-winning medical and health information and tools for healthy living.

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.

Lab Tests Online offers noncommercial patient education on blood, urine, and other lab tests to help health care consumers better manage their care.

Dedicated to helping dog owners determine if their dog has EPI. Chronic diarrhea, weight lose, huge appetite, etc....and how to manage it.

What is Convergence Insufficiency? Leading cause of eyestrain (especially with reading), blurry vision, double vision, near vision probems, headaches, exophoria.

Online Dictionary - Multiple dictionaries including: English dictionary, medical dictionary, legal dictionary, financial dictionary, computer dictionary, thesaurus, dictionary of acronyms and abbreviations, dictionary of idioms, thesaurus, Columbia encyclopedia, Wikipedia encyclopedia, Hutchinson encyclopedia, examples from classic literature, pronunciations, word browser, glossary. Free access

Provides educational materials to increase knowledge and understanding about endocrine and metabolic diseases among patients, health care professionals, and the general public.