Don_Dickle@lemmy.world to Today I Learned@lemmy.worldEnglish · 4 months agoTIL there are three types of tears: basal, reflex, and psychic. Psychic tears, produced when we're sad, contain leucine enkephalin, a natural painkiller that helps us feel better.en.wikipedia.orgexternal-linkmessage-square19fedilinkarrow-up1278
arrow-up1278external-linkTIL there are three types of tears: basal, reflex, and psychic. Psychic tears, produced when we're sad, contain leucine enkephalin, a natural painkiller that helps us feel better.en.wikipedia.orgDon_Dickle@lemmy.world to Today I Learned@lemmy.worldEnglish · 4 months agomessage-square19fedilink
minus-squareSparrowRanjitScaur@lemmy.worldlinkfedilinkEnglisharrow-up9·4 months agoMaybe as a social signal for other humans.
Maybe as a social signal for other humans.