Adults who drink enough water are likely to be healthier, have a lower risk of chronic disease and live longer than those who don’t drink enough water, according to a US study. The researchers collected health data from 11,255 adults over a 30-year period and counted their five visits to the doctor during this period to analyze the relationship between serum sodium and health in their bodies. The first two visits occurred when the subjects were in their 50s, and the last was between the ages of 70 and 90. Serum sodium is blood sodium. When the body is well hydrated, the blood sodium level will drop, and vice versa. The analysis showed that people with serum sodium at the high end of the normal range had more biological signs of aging than those in the middle of the same range. That is, they were more prone to problems with their cardiovascular system, decreased lung function, and inflammation in the body. In addition, within the normal range, higher serum sodium levels were associated with a higher risk of heart failure, stroke, atrial fibrillation, peripheral arterial disease, chronic lung disease, diabetes, and dementia.
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