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 … C: Color changes A spot with more than one color or uneven color may indicate cancer.

Understanding the Context

Colors can include shades of tan, brown or black or areas of white, red or blue. Melanomas can look … 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.

Key Insights

Possible causes of blood in … 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 … 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 … 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 condition, true color … Diagnosis If you have trouble seeing certain colors, an eye care professional can test for a color deficiency.

Final Thoughts

Testing likely involves a thorough eye exam and looking at specially designed … 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 … 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.