
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 designed …
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 …
Melanoma pictures to help identify skin cancer - Mayo Clinic
Dec 22, 2025 · Melanoma is a serious form of skin cancer. It often can be cured if found early. These melanoma pictures can help show you what to look for. The American Academy of Dermatology …
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 tract, it is …
Discolored semen: What does it mean? - Mayo Clinic
Aug 20, 2025 · 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 present. Possible causes of blood in …
Moles - Symptoms and causes - Mayo Clinic
Dec 15, 2023 · Moles, also known as nevi, are a common type of skin growth that vary in color, shape and size. While most moles are most often harmless, they rarely can become cancerous.
Albinism - Symptoms and causes - Mayo Clinic
Dec 13, 2023 · Eye color can range from very light blue to brown and may change with age. With albinism, the colored parts of the eyes, called the irises, usually don't have enough pigment. This …
Baby poop: What to expect - Mayo Clinic
Jan 26, 2024 · Infant stool can have various colors and textures. Know what to expect in your newborn's diapers.
7 fingernail problems not to ignore - Mayo Clinic
Jun 30, 2023 · Nail pitting is when small round depressions or notches appear in the nails. It's common in people who have skin disorders such as psoriasis and eczema. Nail pitting also may be related to …
Rectal bleeding - Mayo Clinic
Dec 7, 2023 · Your rectum makes up the lower portion of your large intestine. Rectal bleeding may show up as blood in your stool, on the toilet paper or in the toilet bowl. Blood that results from rectal …