Andrew Huberman· PhD
Tachykinin levels are further increased by social isolation. And that social isolation is oftentimes what can exacerbate pre-existing traumas or fearful events.
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Tachykinin levels are further increased by social isolation. And that social isolation is oftentimes what can exacerbate pre-existing traumas or fearful events.
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An example of one such chemical is a peptide called tachykinin. Tachykinin is present in flies, in mice and in humans, and under conditions of social isolation, it's levels go up, and because of the brain areas that contain receptors for tachykinin, people start feeling very aggressive and irritable after social isolation.