Textbooks were wrong: Scientists reveal how human hair really grows

ScienceDaily
Jul 7, 2026, 5:33 am17 pts
A new study suggests human hair grows in a way scientists never expected. Researchers found that hair is pulled upward by coordinated cell movements inside the follicle rather than simply being pushed out by dividing cells at the root. Advanced 3D imaging revealed a hidden cellular "motor" that helps drive…

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