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  1. Sexually transmitted disease (STD) symptoms - Mayo Clinic

    Mar 12, 2024 · Sexually transmitted diseases are infections spread mainly by contact with genitals or bodily fluids. Also called STDs, STIs or venereal disease, sexually transmitted infections are caused …

  2. Stool color: When to worry - Mayo Clinic

    Oct 10, 2024 · Stool comes in a range of colors. All shades of brown and even green are considered typical. Only rarely does stool color indicate a possibly serious intestinal condition. Stool color is …

  3. Low hemoglobin count - Mayo Clinic

    Nov 13, 2025 · A low hemoglobin count on a blood test could be normal for you, or it could indicate that you have a condition that needs medical attention.

  4. 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.

  5. Hematocrit test - Mayo Clinic

    Why it's done A hematocrit test can help your health care team make a diagnosis or monitor how you respond to a treatment. The test is done as part of a complete blood count (CBC). When the …

  6. New FDA-approved blood tests for diagnosing Alzheimer's disease

    Jul 8, 2025 · A simple blood test done in a doctor's office can help to diagnose Alzheimer's disease. Find out who can have the test, and how accurate results are.

  7. Low hemoglobin count Causes - Mayo Clinic

    Nov 13, 2025 · A low hemoglobin count on a blood test could be normal for you, or it could indicate that you have a condition that needs medical attention.

  8. Paget's disease of the breast - Symptoms & causes - Mayo Clinic

    Sep 12, 2025 · This rare form of breast cancer causes breast skin changes. Learn about the symptoms, causes, diagnosis and treatments, including surgery.

  9. Urinalysis - Mayo Clinic

    Oct 24, 2023 · Bacteria, yeast or parasites can indicate an infection. Casts — tube-shaped proteins — can be a result of kidney disorders. Crystals that form from chemicals in urine might be a sign of …

  10. Blood pressure chart: What your reading means - Mayo Clinic

    Feb 28, 2024 · Checking your blood pressure helps you avoid health problems. Learn more about what your numbers mean.