Do People Transmit Happiness By Smell? Koc University Study

As emotions go, happiness usually hides in plain sight: seen in a broad smile, heard in a raucous laugh, felt in a big hug.

But new research suggests there may be a less obvious way to pick up on another person's positive vibes: smell.

According to a team of European researchers, happiness may generate chemicals that get secreted in sweat, and that sweat signal gets sniffed by those around us.

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