Cathy,age 45,has developed a few wrinkles on her forehead and "crow's feet" around her eyes.This is primarily due to

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Wrinkles on the forehead and "crow's feet" around the eyes are primarily due to the long-term effects of facial expressions, such as squinting or frowning, which cause the skin to crease and fold. While aging and sun exposure can also contribute to wrinkles, they are not the primary factors in this case. Excess pigment accumulation under the skin is not relevant to the development of wrinkles.

Cathy,age 45,has Developed a Few Wrinkles on Her Forehead and "Crow's