Historically, sweat has been an active ingredient in perfume and love potions.
309
In Korea, there's a man named Lee Jin-gyu who fell in love and married his life-sized Japanese body pillow (called a "dakimakura").
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Consumption of TNT turns urine amber or deep red, which people often mistake for blood.
301
The inventor of Vaseline ate a spoonful of the stuff every morning!
336