Why does jaundice cause yellowing of skin, eyes, nails, etc.?

Explanation

**Step-by-Step Solution:**

1. **Understanding Jaundice:**
- Jaundice is a medical condition characterized by the yellowing of the skin, eyes, and nails. It occurs when there is an excess of bilirubin in the bloodstream.

2. **Role of Hemoglobin:**
- Hemoglobin, the red pigment in red blood cells, breaks down when red blood cells are damaged or old. This breakdown process produces bilirubin.

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