How Salt Works
How Salt Works
WBEZ brings you fact-based news and information.
Sign up for our newsletters
to stay up to date on the stories that matter.
A Roman senator once said, Mankind can live without gold, but not without salt. Right he was. The human body needs salt so much we have developed a taste for it specifically. But too much salt can be toxic. Learn about salt’s role in human history and how we get it from the Earth in this episode.