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Salt. It’s got a deliciously negative reputation: We’re told that we’re eating too much of it — and it seems like there’s a new headline every day about the various health problems it causes. But the truth is, salt intake is vital for the body to function properly, especially during pregnancy. Problems can arise, though, when we go overboard...and with today’s processed foods, it’s easier to do than ever. But by paying careful attention to what you eat, you can keep your sodium consumption on track.

Salt was important in the development of human civilization, and for many years it was considered to be a precious material. Before industrialization, curing meat and preserving it in general was difficult. Salt was a means to do so. However, it took centuries for people to have the ability to mine the salt mines that ran like white vines through the Earth, often reaching thousands of feet deep.

Salt is plenty on Earth, especially in the oceans, which cover approximately 70% of the surface. However, the oceans are being degraded to waste-disposal-dumping facilities and are being polluted with heavy metals like lead, cadmium, arsenic, mercury, and more. Not a single year passes without headlines about at least one fractured tanker causing a major ecological catastrophe.