Tennis great Rafael Nadal of Spain might think twice about shaking off his beads of perspiration. It turns out that sweat leads to a surprising health benefit.
I stood there in silence, feeling totally ashamed. I'm not sure how I responded. But I remember thinking to myself,"I don't eat many onions. Does my sweat really smell that bad?" Thomas studies how – and why– humans have a particular bouquet of scents. He says that sweat, immediately after it comes out of your pores, is essentially odorless.
No one knows exactly why humans have this second type of sweat. But, Thomas says, one purpose likely has to do with the odors that it ends up emitting.
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