Importance of Hydration for Longevity and Disease Prevention: Insights from a National Institutes of Health Study

Adults who aren't adequately hydrated may age faster, have a higher risk of chronic diseases, and may die earlier than those who stay well-hydrated, according to a new study from the National Institutes of Health.

The study looked at more than 11,000 adults in the US who had blood-sodium concentrations considered to be within the normal range of 135 to 146 millimoles per liter. However, those with higher levels were 50% more likely to show signs of physical aging beyond what would be expected for their years and had a roughly 20% increased risk of premature death. People with blood-sodium levels above 142 millimoles per liter had elevated risks of developing chronic diseases.

Although staying hydrated has known health benefits, the relationship between drinking fluids and age-related chronic diseases remains speculative. More research is needed to determine whether good hydration can help slow aging, prevent disease, or lead to a longer life.