Is green algae more closely related to red algae or moss explain. A rare disease called familial benign hypercalcemia can cause children to have blue urine. Most people with color blindness can't tell the difference between certain shades of red and green. Certain medicines or iron supplements also can cause green stool. Jan 10, 2025 · Is it red or is it green? Learn more about what causes this common eye condition and how to tell whether you can distinguish between certain shades of color. Less commonly, people with color blindness can't tell the difference between shades of blue and yellow. . 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. Men are more likely to be born with color blindness. Semen can look more yellow as a person gets older. Health problems. eu hnbn9 izu8 n67ou c2nx2wui qqx4d bvx5 l63khc2f necashy br