Mucus: the body’s unsung hero
The slimy stuff has a surprisingly wide array of beneficial biological functions (27 June 2019, feed from Knowable Magazine) We know it best as a stringy slime dripping from noses and as viscous, discolored goop hacked up by sickened airways. But it’s so much more than that. Coating the surfaces of guts, eyes, mouth, nasal…
