Proper Hydration "Might Slow Down Aging Process In Humans," Study Reveals

A peer-reviewed study published by National Institutes of Health (NIH) researchers in the eBioMedicine journal on Monday reveals that adequately hydrated individuals could live longer and develop fewer age-related chronic diseases. 

"The results suggest that proper hydration may slow down aging and prolong a disease-free life," Natalia Dmitrieva, Ph.D., the study's lead author and researcher in the Laboratory of Cardiovascular Regenerative Medicine at the National Heart, Lung, and Blood Institute (NHLBI), part of NIH, said in a statement

Proper Hydration "Might Slow Down Aging Process In Humans," Study Reveals

Dmitrieva and her team used health data spanning three decades of 11,255 adults and analyzed their serum sodium levels which fluctuate with fluid intake. Consuming more fluid will lower serum sodium levels. They found that adults with higher sodium levels were more prone to develop chronic illnesses and show signs of advanced biological aging than those with lower sodium levels. Adults with higher sodium levels were more susceptible to death at a younger age. 

Serum sodium levels above 142 mEq/L increased the risk of chronic diseases like heart failure, stroke, atrial fibrillation, peripheral artery disease, chronic lung disease, diabetes, and dementia by up to 64%. But adults with serum sodium levels between 138-140 mEq/L had a much lower risk of such fatal diseases. 

"People whose serum sodium is 142 mEq/L or higher would benefit from evaluation of their fluid intake," Dmitrieva said. She added that most people could increase their fluid intake to reduce sodium levels. 

According to the National Academy of Medicine, men should ingest 125 ounces of water daily, and women consume 91 ounces. 

Dmitrieva said her findings don't prove a causal effect, and randomized, controlled clinical trials are needed to understand if proper hydration can promote healthy aging, prevent diseases, and lead to a longer life. 

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