July 25, 2026

A long-running German-Austrian study of monks and nuns is putting a hard edge on the gender gap in longevity: inside the cloister, the difference in lifespan nearly vanishes, suggesting the real culprit is how men live, not biology. Researchers at the Vienna Institute of Demography say the rule-bound rhythm of religious life — prayer, purpose, community, routine — appears to promote “successful aging,” a finding getting fresh attention after Benedictine Brother David Steindl-Rast turned 100. The project, which drew on data from about 16,600 religious order members, is forcing a sharp rethink of what drives who lives longer.

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