The Early History of Salt

00:00:00,860Part four. You will hear part of a presentation about the early history of salt. First, you have some time to look at questions thirty-one to forty. 00:01:03,400Now, listen carefully and answer questions thirty-one to forty. 00:01:11,300In my presentation, I'm going to talk about salt. In modern times, when we talk about salt, people may associate it with high blood pressure or increased heart risk, and many health experts warn that we should use less salt in our meals and dishes. Ho...