
Stool color: When to worry - Mayo Clinic
Oct 10, 2024 · Stool color is generally influenced by what you eat as well as by the amount of bile — a yellow-green fluid that digests fats — in your stool. As bile travels through your digestive …
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 …
Color blindness - Diagnosis and treatment - Mayo Clinic
Jan 10, 2025 · Diagnosis If you have trouble seeing certain colors, an eye care professional can test for a color deficiency. Testing likely involves a thorough eye exam and looking at specially …
Melanoma pictures to help identify skin cancer - Mayo Clinic
Dec 16, 2023 · Melanoma pictures for self-examination Melanoma is a serious form of skin cancer. It often can be cured if found early. These melanoma pictures can help show you what …
Tinea versicolor - Symptoms & causes - Mayo Clinic
Aug 11, 2025 · Tinea versicolor (TIN-ee-uh vur-si-KUL-ur) is a common skin infection caused by a fungus. The fungus causes patchy changes in skin color. The affected skin may look lighter or …
7 fingernail problems not to ignore - Mayo Clinic
Jun 30, 2023 · Yellow nail syndrome In yellow nail syndrome, nails thicken and grow slower. This results in the nails turning a yellowish color. Nails affected by yellow nail syndrome might lack …
Blood in urine (hematuria) - Symptoms and causes - Mayo Clinic
Jan 7, 2023 · Symptoms Blood in the urine can look pink, red or cola-colored. Red blood cells cause the urine to change color. It takes only a small amount of blood to turn urine red. The …
Urine color - Diagnosis and treatment - Mayo Clinic
Oct 11, 2025 · Foods and medicines can change the color of urine. But a color change also could be a sign of disease.
Color blindness - Symptoms and causes - Mayo Clinic
Jan 10, 2025 · Color blindness is an eye condition in which someone can't see the difference between certain colors. Though many people commonly use the term "color blind" for this …
Tinea versicolor - Diagnosis & treatment - Mayo Clinic
Aug 11, 2025 · Usually, the color of the affected skin evens out with time. Tinea versicolor can come back, especially during warm and humid months. You can take steps to help prevent the …