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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. Penis-enlargement products: Do they work? - Mayo Clinic

    Apr 17, 2025 · Ads for penis-enlargement products and procedures are everywhere. Many pumps, pills, weights, exercises and surgeries claim to increase the length and width of your …

  3. How well do face masks protect against COVID-19? - Mayo Clinic

    Nov 4, 2023 · Experts do not recommend using face shields instead of masks. It's not clear how much protection shields provide. But wearing a face mask may not be possible in every …

  4. Statin side effects: Weigh the benefits and risks - Mayo Clinic

    Mar 11, 2025 · Statins lower cholesterol and protect against heart attack and stroke. But they may lead to side effects in some people. Healthcare professionals often prescribe statins for people …

  5. Tinnitus - Symptoms and causes - Mayo Clinic

    Nov 30, 2022 · Tinnitus. Tinnitus can be caused by a number of things, including broken or damaged hair cells in the part of the ear that receives sound (cochlea); changes in how blood …

  6. Anemia - Symptoms and causes - Mayo Clinic

    May 11, 2023 · What red blood cells do. The body makes three types of blood cells. White blood cells fight infection, platelets help blood clot and red blood cells carry oxygen throughout the …

  7. 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 …

  8. Rheumatoid arthritis - Symptoms and causes - Mayo Clinic

    Apr 9, 2025 · Ms. Williams: She couldn't do much of anything, let alone play outside with her daughter. Ms. Wimmer: That was really hard. She'd have to beg me to play with her, and …

  9. Cholesterol: Top foods to improve your numbers - Mayo Clinic

    May 2, 2024 · It's not clear whether food with plant sterols or stanols lowers your risk of heart attack or stroke — although experts assume that foods that lower cholesterol do cut the risk. …

  10. Lymphoma - Symptoms and causes - Mayo Clinic

    Dec 20, 2024 · A cell's DNA holds the instructions that tell the cell what to do. In healthy cells, the DNA gives instructions to grow and multiply at a set rate. Healthy cells die at a set time. In …