20 fascinating facts about hair: why baldness is super-masculine – and a pubic bush could be a ‘cheating detector’

Judy Wearing has spent much of her life studying our follicles. She explains how our armpits betray our emotions, why some gentlemen really do prefer blondes and the reason we evolved to have eyebrows

As a PhD student at Oxford studying mating behaviour, Judy Wearing was suddenly struck by a thought: what was the purpose of pubic hair? The point of armpit hair? The function of each of our body’s furry patches? When the published literature failed to produce satisfying answers, Wearing began her own investigation. Her aim was to shed light on why exactly we evolved these particular patches, with pubic hair the most puzzling of all: was it for warmth, protection … or something else?

Wearing is still tangling with those questions, some 30 years after her student days. Now an author and editor (largely in the education sector), she has revisited her fascination with hair in Anxious and Hairy: The Evolution and Culture of Human Hair, exploring its unexpectedly dense and layered place in our history and psyche. Even Wearing was surprised by the places her research on hair took her, and the mysteries that still remain to be solved. “A lot of these questions, no one’s actually looked at,” she says over Zoom. Here is a mere snip of the fascinating facts she’s uncovered about hair.

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