Groundbreaking study could rewrite textbooks about how hair grows and spark new treatments - Advanced microscopy technique ...

A new imaging study challenges long-standing ideas about how hair grows and could lead to new treatments for hair loss.

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DURHAM, N.C. -- It might look like a comet or a shooting star, but this time-lapse video is actually a tiny plant root, not much thicker than a human hair, magnified hundreds of times as it grows ...