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Business Insider -THE TRUTH ABOUT SALT: It's Not As Scary As The Government Says It Is
Researchers did a meta-study on studies that measured people's salt intake going as far back as 1957 up to 2003, making it the largest study about salt intake. The finding: in the US, salt intake as been about the same over this time period, at ~3,700mg/day. This is well above the CDC-recommended 2,300mg/day, despite the increases in processed foods and heart disease since 1957. Another study looked at a 24-year period across 33 diverse countries with roughly 20,000 participants and came up with the same salt intake: ~3,700mg/day. The second article takes a tougher stance than the first, insisting that the evidence from which the CDC recommendation is based is poor and oriented toward the short-term. However, there are some studies showing that very high amounts of salt intake increase production of a certain white blood cell that can be responsible for auto-immune disorders, like MS or Type 1 Diabetes. The over all conclusion seems to be that those with high blood pressure or obesity or other ailments may do better by lowering salt intake, but for most people the CDC number is unreasonably low.
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