Hexadecanal is an organic compound with the chemical formula C16H32O.

Hexadecanal is found in human skin, saliva, and feces.

[1] A 2017 study found that non-autistic men demonstrate an increase in electrodermal activity when exposed to subliminal levels of hexadecanal while men with autism spectrum disorder do not.

[4] Hexadecanal is one of the most abundant substances emitted by human babies from their heads, which may be an evolutionary survival mechanism to induce mothers to defend the baby and fathers to not attack it.

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