Textbooks were wrong: Scientists reveal the surprising way human hair really grows

ScienceDaily
Mar 14, 2026, 8:15 am108 ptsTrending
Hair may grow in a completely different way than scientists once believed. Instead of being pushed out from the root, new research shows that moving cells inside the follicle actually pull the hair upward like a microscopic motor. Advanced 3D imaging revealed a spiral movement of cells that generates this…

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