Stretch marks, also known as striae, are a common skin condition that occurs when the skin is stretched rapidly. They often appear as purple or red lines on the skin and can be found on various parts of the body, including the abdomen, thighs, hips, and breasts. As the skin stretches, the collagen and elastin fibers in the dermis (middle layer of the skin) break down and form scar tissue. Over time, the color of the stretch marks will fade to a silvery white. The effects of stretch marks can vary depending on the individual, but they are often considered to be a cosmetic concern. Some people may experience itching or a burning sensation in the affected area, but stretch marks are generally not harmful to overall health.
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