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 …
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 …
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 23, 2025 · 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 to look for. The …
Vagina: What's typical, what's not - Mayo Clinic
Jan 30, 2025 · Talk with a member of your healthcare team if you have: A change in the color, odor or amount of vaginal discharge. Changes in vaginal skin color or itching. Vaginal bleeding between …
White stool: Should I be concerned? - Mayo Clinic
Jul 3, 2025 · Stool gets its typical brownish color from bile, which flows into the small intestine during the digestive process. If the liver doesn't produce bile or if bile gets stuck in the liver, stool will be light …
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 a cuticle and …
Detox foot pads: Do they really work? - Mayo Clinic
Aug 15, 2024 · Toxins include heavy metals. When you peel off the pads in the morning, they may look darker or different in color. This change is supposed to show that toxins have been removed from …
Seborrheic keratosis - Symptoms & causes - Mayo Clinic
Jan 18, 2022 · A seborrheic keratosis (seb-o-REE-ik ker-uh-TOE-sis) is a common noncancerous (benign) skin growth. People tend to get more of them as they get older. Seborrheic keratoses are …
Doppler ultrasound: What is it used for? - Mayo Clinic
Jul 3, 2025 · Doppler ultrasound is a noninvasive test that can be used to measure the blood flow through your blood vessels. It works by bouncing high-frequency sound waves off red blood cells that …