Data on more than 650,000 veterans with chronic kidney disease not dependent on dialysis, including 43% who also had diabetes, showed that either too high or too low blood pressure levels were associated with a higher risk of death. Slightly high systolic pressure was linked to less risk than extremely low diastolic pressure, according to the study in the Annals of Internal Medicine. Researchers cautioned that the study did not establish causality and that comorbidities could be a factor.

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