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  1. Calorie calculator - Mayo Clinic

    If you're pregnant or breast-feeding, are a competitive athlete, or have a metabolic disease, such as diabetes, the calorie calculator may overestimate or underestimate your actual calorie needs.

  2. 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?

  3. 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 …

  4. Plantar fasciitis - Symptoms and causes - Mayo Clinic

    Plantar fasciitis (PLAN-tur fas-e-I-tis) is one of the most common causes of heel pain. It involves inflammation of a thick band of tissue that runs across the bottom of each foot and connects …

  5. Multiple sclerosis - Symptoms and causes - Mayo Clinic

    Nov 1, 2024 · Multiple sclerosis is a disease that causes breakdown of the protective covering of nerves. Multiple sclerosis can cause numbness, weakness, trouble walking, vision changes …

  6. High white blood cell count Causes - Mayo Clinic

    Jun 11, 2005 · A high white blood cell count usually means one of the following has increased the making of white blood cells: An infection. Reaction to a medicine. A bone marrow disease An …

  7. Muscle cramp - Symptoms and causes - Mayo Clinic

    Mar 7, 2023 · Symptoms Muscle cramps occur mostly in leg muscles, most often in the calf. Cramps usually last for seconds to minutes. After the cramp eases, the area might be sore for …

  8. Meningitis - Symptoms and causes - Mayo Clinic

    Oct 17, 2024 · Overview Meningitis is an infection and swelling, called inflammation, of the fluid and membranes around the brain and spinal cord. These membranes are called meninges. …

  9. Migraine - Symptoms and causes - Mayo Clinic

    Jul 8, 2025 · What is a migraine? A Mayo Clinic expert explains Learning about migraine disorder can be intimidating. Amaal Starling, M.D., a neurologist at Mayo Clinic, walks you through the …

  10. COPD - Symptoms and causes - Mayo Clinic

    Aug 30, 2024 · Overview Chronic obstructive pulmonary disease (COPD) is an ongoing lung condition caused by damage to the lungs. The damage results in swelling and irritation, also …