Don_Dickle to Today I LearnedEnglish • 1 month 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-square20arrow-up1285arrow-down16
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 to Today I LearnedEnglish • 1 month agomessage-square20