![]() The study analyzed participants over a long period of time, but the findings don’t prove a causal relationship between serum sodium levels and these health outcomes, the authors said. This finding is consistent with previous reports of increased mortality and cardiovascular disease in people with low regular sodium levels, which has been attributed to diseases causing electrolyte issues, the authors said. ![]() High serum sodium levels weren’t the only factor associated with disease, early death and faster aging risk - risk was also higher among people with low serum sodium levels. ![]() blackCAT/E+/Getty Imagesĥ science-based strategies for nailing your New Year's resolutionsīiological age was determined by biomarkers that measure the performance of different organ systems and processes, including cardiovascular, renal (relating to the kidneys), respiratory, metabolic, immune and inflammatory biomarkers. Mother and daughter are at home holding 2022 balloon numbers. However, “it would have been nice to combine their definition of hydration, based on serum sodium levels only, with actual fluid intake data from the ARIC cohort,” Sesso added. Howard Sesso, an associate professor of medicine at Harvard Medical School and associate epidemiologist at Brigham and Women’s Hospital in Boston, via email. “This study adds observational evidence that reinforces the potential long-term benefits of improved hydration on reductions in long-term health outcomes, including mortality,” said Dr. The study didn’t have information on how much water participants drank. ![]() Adults with serum sodium levels between 138 and 140 mEq/L, on the other hand, had the lowest risk of developing chronic disease. The participants with higher faster-aging risk also had a 64% higher risk for developing chronic diseases such as heart failure, stroke, atrial fibrillation, peripheral artery disease, chronic lung disease, diabetes and dementia.Īnd people with levels above 144 mEq/L had a 50% higher risk of being biologically older and a 21% higher risk of dying early. Data collection began in 1987 when participants were in their 40s or 50s, and the average age of participants at the final assessment during the study period was 76.Īdults with levels above 142 mEq/L had a 10% to 15% higher chance of being biologically older than their chronological age compared with participants in the 137 to 142 mEq/L range. Using health data collected over 30 years from 11,255 Black and White adults from the Atherosclerosis Risk in Communities study, or ARIC, the research team found adults with serum sodium levels at the higher end of the normal range - which is 135 to 146 milliequivalents per liter (mEq/L) - had worse health outcomes than those at the lower end of the range. Serum sodium can be measured in the blood and increases when we drink less fluids. In those studies, lifelong water restriction increased the serum sodium of mice by 5 millimoles per liter and shortened their life span by six months, which equals about 15 years of human life, according to the new study. The authors thought optimal hydration might slow down the aging process, based on previous similar research in mice. And extending a healthy life span can help improve quality of life and decrease health care costs more than just treating diseases can. That’s because an epidemic of “age-dependent chronic diseases” is emerging as the world’s population rapidly ages. Learning what preventive measures can slow down the aging process is “a major challenge of preventive medicine,” the authors said in the study. Worried about your drinking? Here's how to check it
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