Study Shows High Salt Consumption, Spicing Up a Health Campaign

Health experts long have lectured Americans that they consume too much salt, but now they have new research to back up their contentions.

Preliminary findings from a study described as the most reliable measure yet of salt consumption found that adults in New York City, on average, take in more than twice the roughly 1,500 milligrams-a-day limit recommended for many adults. The findings, from the city’s health department, were based on urine tests of more than 1,700 adults over a 24-year period.

The average New Yorker’s consumption of 3,150 milligrams of salt a day is in line with national estimates. But the preliminary findings figure to spice up a public health campaign promoted by New York Mayor Michael Bloomberg, known as the National Salt Reduction Initiative, that was launched this year.

“High blood pressure is a predictable result of current sodium levels in the American food supply,” Dr. Thomas Farley, the city’s health commissioner, said in a news release announcing the preliminary results. “Diets high in sodium, taken over lifetimes, are fueling widespread hypertension, causing tens of thousands of preventable deaths.”

The goal of the salt reduction initiative is to prod companies to cut the salt in packaged and restaurant foods by 25 percent over five years. According to the city, only 11 percent of sodium in the diet comes from saltshakers or is added during home cooking; nearly 80 percent is added to foods before they are sold.

According to the New York City Health Department, the recommended 1,500-milligram limit on salt intake applies to adults 51 years and older, blacks and people with hypertension, diabetes or chronic kidney disease. Others should consume less than 2,300 milligrams of sodium per day. The survey found that only 1 in 5 of all adult New Yorkers consume salt within their recommended limit.

Seven more companies, including Campbell Soup and Target Corp., joined the city’s anti-salt initiative last week. Other partners include public health agencies and health organizations.

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