Story perspectives
Stay Hydrated: 2L Daily Reduces Stress Hormones
9/25/2025
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Story summary
- Hydration status shapes stress responses: drinking under 1.5 L daily yielded >50% higher cortisol during stress (Liverpool John Moores University).
- Higher cortisol links to risks of heart disease, diabetes, and depression.
- Healthy young adults underwent stress tests after hydration monitoring.
- Researchers advise ~2 L daily for women and 2.5 L for men; urine color should be light yellow.
