Saturday, March 14, 2026

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

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 force. The finding could change how scientists study hair loss and design future treatments.

from Top Health News -- ScienceDaily https://ift.tt/oLthZKU

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Millions of kids take melatonin but doctors are raising red flags

Melatonin is now widely used to help children sleep, but scientists say the enthusiasm may be getting ahead of the evidence. A major review ...