Why do we crave salt?

(Jan 30, 2020) It's a delicious flavor, for humans and deer alike, but it's also so much more. There's just something special about salt, a naturally occurring mineral that humans and many animals crave. Found naturally in its crystalline solid form, sea water and rock deposits left behind by ancient oceans, this chemical compound is among those that many of our cells need to survive. Conversation with Martha Foley and Curt Stager gets a little salty.