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  1. Mental health: Know when to get help - Mayo Clinic

    Mental health is the overall wellness of how you think, behave and manage your feelings. A mental health condition may be present when patterns or changes in thinking, feeling, or …

  2. Hyponatremia - Symptoms and causes - Mayo Clinic

    Jul 18, 2025 · Hyponatremia is the term used when your blood sodium is too low. Learn about symptoms, causes and treatment of this potentially dangerous condition.

  3. Menstrual cycle: What's normal, what's not - Mayo Clinic

    Apr 22, 2023 · Learn about how to track your menstrual cycles and what any changes may mean.

  4. Ferritin test - Mayo Clinic

    Dec 19, 2023 · Overview A ferritin test measures the amount of ferritin in the blood. Ferritin is a blood protein that contains iron. This test can be used to find out how much iron the body …

  5. High blood pressure (hypertension) - Symptoms & causes - Mayo …

    Feb 29, 2024 · High blood pressure is a common condition that affects the body's arteries. It's also called hypertension. If you have high blood pressure, the force of the blood pushing …

  6. Iron deficiency anemia - Diagnosis & treatment - Mayo Clinic

    Sep 20, 2025 · To diagnose iron deficiency anemia, your healthcare professional may run tests to look for: Red blood cell size and color. With iron deficiency anemia, red blood cells are smaller …

  7. Blood urea nitrogen (BUN) test - Mayo Clinic

    Aug 5, 2023 · Learn about the blood urea nitrogen (BUN) test to assess kidney function and what possible results could mean.

  8. Hematocrit test - Mayo Clinic

    The blood sample is generally drawn with a needle from a vein in your arm. You may feel some tenderness at the site, but you'll be able to resume normal activities afterward. Results Results …

  9. Thyroid peroxidase antibody test: What is it? - Mayo Clinic

    Jul 9, 2024 · The thyroid peroxidase antibody test is a blood test. Sometimes it's done to help find out if a person has thyroid disease that's caused by an immune system condition. The test isn't …

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

    If you've been keeping an eye on your blood pressure and cholesterol levels, there's something else you might need to monitor: your triglycerides. Having a high level of triglycerides in your …