Jul 26, 2025 · Melanin is a substance that gives color to skin. It also helps protect the skin from damaging ultraviolet (UV) radiation. People with Black or brown skin have more melanin than …

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, …

Oct 11, 2025 · Un color inusual de orina puede ser un signo de un problema de salud. Por ejemplo, algunas infecciones de las vías urinarias pueden producir una orina de color blanco …

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 …

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 …

Aug 12, 2025 · Tinea versicolor is a common fungal infection of the skin. The fungus interferes with the normal pigmentation of the skin, resulting in small, discolored patches. These patches …

Oct 1, 2025 · Rifampin will cause urine, saliva, sputum, sweat, teeth, and tears to turn a reddish-orange to reddish-brown color. This is to be expected while you are using this medicine.

An infection, growths in the sinuses, called nasal polyps, or swelling of the lining of the sinuses can cause chronic sinusitis. Symptoms might include a blocked or stuffy nose that makes it …

Sep 19, 2025 · Infant jaundice is the yellow coloring of a newborn baby's skin and eyes. It's caused by a buildup of pigment called bilirubin in the baby's blood. Infant jaundice is a …

Jul 26, 2025 · A nipple that looks flattened or turns inward. Changes in the color of the breast skin. In people with white skin, the breast skin may look pink or red. In people with brown and …