β why
Why do some people have dimples in their cheeks?
Quick Answer
Dimples usually happen because of a small difference in facial muscle structure. When smiling, that muscle arrangement pulls the skin inward and creates the dimple.
The Full Story
Cheek dimples are caused by variation in the structure of the zygomaticus major muscle, which helps lift the corners of the mouth. In some people, the muscle or its attachment to the skin creates a small indentation when they smile. Dimples are inherited in families, but the trait is not governed by a single perfectly predictable gene. They can be more or less visible depending on facial fat, age, and expression.
Key Facts
1.Dimples are caused by facial muscle and skin structure
2.They often appear most clearly while smiling
3.Inheritance is familial but not perfectly simple
YouTube Angle
Suggested video title for this topic:
"Why some smiles come with natural dimples"
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