In a recent research made by Gun Semin of Utrecht University in the Netherland claims that humans can be able to Communicate positive emotions like Happiness through the smell of their sweat.

When happy, our bodies produce chemical signals that are detectable by others who smell our sweat and instantly share our happiness.

These findings, while preliminary, suggest that we communicate our positive and negative emotional states via distinct chemosignals, such that the receiver produces a simulacrum of the sender's emotional state.

The study is published in the journal Psychological Science.

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