Story perspectives

New Study Questions Hydration Guidelines for Kidney Stones

3/26/2026

Summary

Story summary

The Lancet reports that the PUSH trial found increasing fluid intake did not significantly reduce symptomatic kidney stone recurrence versus a control group.
The trial enrolled 1,658 participants across six U.S. hospitals.
Duke University researchers conducted the study.
The findings indicate hydration should be personalized, considering age and lifestyle, rather than applying a single target.
Guidelines recommending 2.5 liters daily may not be sufficient for everyone.

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Story summary

The Lancet reports that the PUSH trial found increasing fluid intake did not significantly reduce symptomatic kidney stone recurrence versus a control group.
The trial enrolled 1,658 participants across six U.S. hospitals.
Duke University researchers conducted the study.
The findings indicate hydration should be personalized, considering age and lifestyle, rather than applying a single target.
Guidelines recommending 2.5 liters daily may not be sufficient for everyone.