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HEARTLESS wrote: Any Navy boiler tenders, operators out there? Do they still use salt tablets? For those not familiar with those tasks, normal working conditions of 125-150 degrees F.
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Dr. Elliot Antman, president of the American Heart Association, noted that the studies are observational and so can’t show cause and effect or rule out other factors that would affect the findings, like if people with poor health had already reduced their salt intake to less than 3,000 milligrams. They also are concerned about how sodium was measured — through a urine sample.
“We don’t know the diet the subjects who gave a urine specimen were eating and for how long they ate it after,” Antman said. “It was one point in time, and the researchers followed them for 3.7 years and try to draw a relationship between one-spot urine and events that occurred over the next 3.7 years.”
The study was too short to draw long-term conclusions, Antman said, because cardiovascular disease can take decades to develop.
The journal also published another study Wednesday that reached different conclusions. It used a modeling approach to combine results from a wide variety of studies, and estimates that 1.6 million deaths from cardiovascular causes in 2010 were linked to sodium consumption above 2,000 mg/day.
Antman called that finding important; Oparil said it included flawed data.
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