Newspaper article MinnPost.com

No Link Found between High Salt Intake and Early Death among Older Adults

Newspaper article MinnPost.com

No Link Found between High Salt Intake and Early Death among Older Adults

Article excerpt

The ongoing controversy over current sodium recommendations heated up again on Monday.

A new study, published in JAMA Internal Medicine, found no significant correlation between high sodium intake (more than 2,300 milligrams daily) and an increased risk of death among adults in their 70s who were followed for a 10-year period.

Current U.S. guidelines recommend that everyone aged 2 and up consume no more than 2,300 milligrams per day (mg/daily). That's about a teaspoon of salt (which is about 40 percent sodium). These guidelines also urge certain groups -- people aged 51 and up, African-Americans of any age, and people with high blood pressure, diabetes or kidney disease -- to restrict their sodium intake even more, to below 1,500 mg/daily.

The American Heart Association takes the more rigorous position that all of us should limit our sodium intake to 1,500 mg/daily.

The average American adult consumes more than 3,400 mg/daily of sodium.

Serious concerns have been raised, however, about both the practicality and the benefits of the lower target level -- in a 2013 report by the Institute of Medicine, for example, and in last year's findings from the large Prospective Urban Rural Epidemiology (PURE) study (which reported that low-sodium intake was associated with an increased risk of death).

The new study published on Monday seems to support some of those concerns -- particularly any further restriction of sodium consumption among older adults.

Study details

The study involved 2,642 healthy people aged 71 to 80 who were enrolled in 1997 and 1998 in the Health, Aging, and Body Composition (Health ABC) Study, which is funded by the National Institutes of Health. The study's focus is aging and health, not specifically the issue of dietary sodium intake, but each of the participants had completed a detailed (108-item) questionnaire about his or her diet.

Based on those responses, the authors of the current study placed the participants (who were 51.2 percent women, 61.7 percent white and 38.3 percent black) into three "sodium" groups: those who consumed 1) less than 1,500 mg/daily, 2) 1,500-2,300 mg/daily, and 3) more than 2,300 mg/daily. …

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