Don_Dickle@lemmy.world to Today I Learned@lemmy.worldEnglish · 3 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-square20fedilinkarrow-up1285arrow-down16cross-posted to: todayilearned@lemmit.online
arrow-up1279arrow-down1external-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 · 3 months agomessage-square20fedilinkcross-posted to: todayilearned@lemmit.online
minus-squareSparrowRanjitScaur@lemmy.worldlinkfedilinkEnglisharrow-up9·3 months agoMaybe as a social signal for other humans.
Maybe as a social signal for other humans.