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  1. Osteopathic medicine: What kind of doctor is a D.O.? - Mayo Clinic

    Nov 29, 2022 · A doctor of osteopathic medicine, also known as a D.O., is a fully trained and licensed doctor. A doctor of osteopathic medicine graduates from a U.S. osteopathic medical …

  2. Pneumonia - Symptoms and causes - Mayo Clinic

    Jun 13, 2020 · Pneumonia is an infection that inflames the air sacs in one or both lungs. The air sacs may fill with fluid or pus (purulent material), causing cough with phlegm or pus, fever, …

  3. Dissociative disorders - Symptoms and causes - Mayo Clinic

    Aug 31, 2023 · Dissociative disorders. In: Diagnostic and Statistical Manual of Mental Disorders DSM-5-TR. 5th ed. American Psychiatric Association; 2022. https://dsm ...

  4. Chronic granulomatous disease - Symptoms and causes

    Mar 28, 2025 · Overview. Chronic granulomatous (gran-u-LOM-uh-tus) disease (CGD) is a genetic condition in which infection-fighting white blood cells don't work properly.

  5. History of COVID-19: Outbreaks and vaccine timeline - Mayo Clinic

    The FDA gives emergency use authorization to the Janssen/Johnson & Johnson COVID-19 vaccine. The FDA approves the Pfizer-BioNTech COVID-19 vaccine, now called Comirnaty, to …

  6. Knee pain - Symptoms and causes - Mayo Clinic

    Jan 25, 2023 · Overview. Knee pain is a common complaint that affects people of all ages. Knee pain may be the result of an injury, such as a ruptured ligament or torn cartilage.

  7. How to heal cracked heels - Mayo Clinic

    Feb 21, 2025 · Cracked heels, also known as fissures, can be a nuisance. They may lead to more-serious problems if left untreated. Treat them by giving your feet a little more attention. …

  8. Dehydration - Diagnosis & treatment - Mayo Clinic

    May 2, 2025 · Elsevier Point of Care. Clinical Overview: Dehydration. https://www.clinicalkey.com. Accessed June 5, 2023. ...

  9. Brugada syndrome - Symptoms & causes - Mayo Clinic

    May 5, 2022 · Brugada (brew-GAH-dah) syndrome is a rare but potentially life-threatening heart rhythm condition (arrhythmia) that is sometimes inherited.

  10. Triglycerides: Why do they matter? - Mayo Clinic

    High triglycerides are often a sign of other conditions that increase the risk of heart disease and stroke, including obesity and metabolic syndrome — a cluster of conditions that includes too …