So is there a biological need for salt, and can it be fulfilled with a no - salt added diet? (wellnessmama.com)
In modern and historic hunter - gatherer societies, it has generally been found that hunting tribes do not make or trade salt, unlike agricultural tribes, and once humans began cultivating crops, their dietary need for salt increased. (wellnessmama.com)
Biological need for salt varies by individual depending on age, activity level and health conditions. (wellnessmama.com)