>it's only purpose is to enhance taste No. >there is no need for an extra sodium intake because our food has plenty Depends on the food and other environment

>it's only purpose is to enhance taste No. >there is no need for an extra sodium intake because our food has plenty Depends on the food and other environmental factors. The reason why a preference for salt evolved in the first place was because we didn't get enough salt in our food, especially warm climates, which is incidentally where we started out. Same reason why herbivores frequent salt licks, their normal diets don't contain enough sodium or other minerals. What you said would have been true if we were carnivores.