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  1. Discolored semen: What does it mean? - Mayo Clinic

    Aug 20, 2025 · Find out what causes discolored semen.Red semen. Eating a lot of red-colored foods, such as beets, could cause red semen. Sometimes, red or red-streaked semen could mean blood is …

  2. Nail fungus - Symptoms and causes - Mayo Clinic

    May 15, 2024 · Thickened Discolored Brittle, crumbly or ragged Misshapen Separated from the nail bed Smelly Nail fungus can affect fingernails, but it's more common in toenails. When to see a doctor You …

  3. Discolored baby teeth: A cause for concern? - Mayo Clinic

    Jul 31, 2024 · Baby teeth can become discolored for many reasons, including not brushing well enough, taking medicines, or having an injury or illness.

  4. 7 fingernail problems not to ignore - Mayo Clinic

    Jun 30, 2023 · Did you know that your fingernails can provide important information about your health? Read on to learn about how changes in the way your fingernails look could signal medical concerns …

  5. 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 …

  6. Urine color - Symptoms and causes - Mayo Clinic

    Oct 11, 2025 · Overview Regular urine color ranges from clear to pale yellow. But certain things can change the color. Foods such as beets, blackberries and fava beans can turn urine pink or red, for …

  7. Morphea - Symptoms and causes - Mayo Clinic

    Morphea (mor-FEE-uh) is a rare condition that causes painless, discolored patches on your skin. Typically, the skin changes appear on the belly, chest or back. But they might also appear on your …

  8. White patch on skin: A cause for concern? - Mayo Clinic

    Oct 3, 2023 · Generally, a discolored patch on skin isn't cause for concern. Skin discoloration can be triggered by a number of causes, including: Atopic dermatitis (eczema). Sometimes a small area of …

  9. Sun damage - Mayo Clinic

    Jun 24, 2023 · See photos of common skin conditions that are caused by too much time in the sun.

  10. 精液污色:这意味着什么? - 妙佑医疗国际 - Mayo Clinic

    Dec 31, 2025 · Learn more about services at Mayo Clinic.