About 3,530,000 results
Open links in new tab
  1. Osteopathic medicine: What kind of doctor is a D.O.? - Mayo Clinic

    Nov 29, 2022 · You know what M.D. means, but what does D.O. mean? What's different and what's alike between these two kinds of health care providers?

  2. 7 fingernail problems not to ignore - Mayo Clinic

    Jun 30, 2023 · Did you know that your fingernails can provide important information about your health? Read on to learn about how changes in the way your fingernails look could signal …

  3. Glucosamine - Mayo Clinic

    May 21, 2025 · Glucosamine is a natural compound found in cartilage — the tough tissue that cushions joints. In supplement form, glucosamine is harvested from shells of shellfish or made …

  4. Narcissistic personality disorder - Symptoms and causes

    Apr 6, 2023 · A narcissistic personality disorder causes problems in many areas of life, such as relationships, work, school or financial matters. People with narcissistic personality disorder …

  5. CBD: Safe and effective? - Mayo Clinic

    Dec 6, 2022 · What are the benefits of CBD — and is it safe to use? A prescription cannabidiol (CBD) oil is considered an effective anti-seizure medication. However, further research is …

  6. Anemia - Symptoms and causes - Mayo Clinic

    May 11, 2023 · Symptoms Anemia symptoms depend on the cause and how bad the anemia is. Anemia can be so mild that it causes no symptoms at first. But symptoms usually then occur …

  7. Gastroesophageal reflux disease (GERD) - Symptoms and causes

    Gastroesophageal reflux disease happens when stomach acid flows back up into the esophagus and causes heartburn. It's often called GERD for short. This backwash is known as acid reflux, …

  8. Influenza (flu) - Symptoms and causes - Mayo Clinic

    Jan 28, 2025 · Learn more about the symptoms, causes and prevention of this potentially deadly viral infection that attacks the respiratory system.

  9. Swollen lymph nodes - Symptoms & causes - Mayo Clinic

    Apr 25, 2025 · Swollen lymph nodes most often happen because of infection from bacteria or viruses. Rarely, cancer causes swollen lymph nodes. The lymph nodes, also called lymph …

  10. Shingles - Symptoms & causes - Mayo Clinic

    Aug 20, 2022 · Shingles symptoms usually affect only a small section on one side of your body. These symptoms may include: Pain, burning or tingling Sensitivity to touch A red rash that …