Perspiration

Smelling Happy Sweat Makes You Happy

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Chemosignals are chemicals humans emit, often via sweat. In a study, chemosignals emitted by happy people were shown to induce a facial expression and perceptual-processing style consistent with that of happiness in the smellers.

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Key Facts In This Video

  1. Sweat glands come in primarily two forms: eccrine and apocrine. 00:29

  2. You get pruney fingertips when wet in order to have better grip in slippery conditions. 02:16

  3. Sun burns are actual burns, but they are caused by radiation instead of fire. 02:34

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