Dietary restriction increases the average and maximum life span.
Is it true that dietary restriction increases the average and maximum life span?
Yes. Extensive scientific evidence across diverse model organisms consistently demonstrates that dietary and caloric restriction reliably extends both average and maximum lifespan.
Verdict: SUPPORTED · 7 sources for, 0 against · Last checked
The claim is specific, empirical, and falsifiable, passing STEP 0. Multiple papers (0, 2, 3, 4, 6, 9, 11) explicitly support the well-established consensus that dietary and caloric restriction extends lifespan across various species and model organisms. There are no refuting papers in the provided set. Therefore, the balance verdict is SUPPORTED.
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Irish, S. D., Kimberley, A., Immler, S., Moorad, J., & Maklakov, A. A. (2025). Mutation accumulation underpins evolution of lifespan extension by dietary restriction. doi.org. https://doi.org/10.1101/2025.06.18.660314
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A, L., L, R., WH, S., AP, W., R, K., & GA, C. (2026). Genetic regulation of fasting-induced longevity effects.. doi.org. https://doi.org/10.1093/genetics/iyag045
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Travers, L. M., Carlsson, H., Duxbury, E. M. L., & Maklakov, A. A. (2020). Evolutionary causes of lifespan extension by dietary restriction: linking theory and mechanisms. doi.org. https://doi.org/10.1101/2020.01.14.904599
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Campos, S. E., Garay, E., Avelar-Rivas, J. A., Juárez-Reyes, A., & DeLuna, A. (2017). Genome-Wide Mechanisms of Lifespan Extension by Dietary Restriction in Yeast. doi.org. https://doi.org/10.1101/126797
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SL, G., LT, D., TI, G., & MJP, S. (2026). Dietary restriction is evolutionarily conserved on the phenotypic and mechanistic level.. doi.org. https://doi.org/10.1038/s44319-026-00875-5
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Y, N., K, M., K, Y., S, H., S, T., Y, M., M, K., & Y, H. (2026). WWP1 modulates metabolic adaptation in white adipose tissue but does not significantly modify caloric restriction-induced longevity in mice.. doi.org. https://doi.org/10.3389/fnut.2026.1846488
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B, B., O, F., N, R., S, G., S, C., & RA, M. (2026). Multi-Tissue Metabolomic Signatures of Five Longevity Interventions Converge on Ergothioneine and Lipid Remodeling in Male UM-HET3 Mice. doi.org. https://doi.org/10.64898/2026.06.24.734388
What does the evidence say?
The claim is specific, empirical, and falsifiable, passing STEP 0. Multiple papers (0, 2, 3, 4, 6, 9, 11) explicitly support the well-established consensus that dietary and caloric restriction extends lifespan across various species and model organisms. There are no refuting papers in the provided set. Therefore, the balance verdict is SUPPORTED.
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