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Source:
The Guardian
20 facts on hair: masculinity and cheater detection
The article explores the biological and cultural significance of human hair, emphasizing its evolutionary origins, functions, and social roles. It highlights that hair evolved from reptilian scales for insulation, with variations like eyebrows, beards, and pubic hair serving purposes related to communication, sexual signaling, and protection. Despite common concerns about hair loss and styling trends, hair remains a powerful indicator of health and identity, with its presence and absence deeply intertwined with human history and social behavior.
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