This paper shows that coffee is not a proven anti-aging therapy, yet the mapped evidence still suggests a biologically plausible link to longer survival through oxidative-stress and insulin/IGF-1 pathways, with human data pointing to modest benefit rather than clear harm. Read the full text to see where the real signal lies, which findings are only indirect or genotype-specific, and why the apparent longevity story of coffee is much more nuanced than popular health claims suggest.
Abstract: To synthesize, using only the structured extraction summary provided, the evidence linking coffee and coffee-related compounds with longevity, survival, and aging-related outcomes across human and experimental studies. The review utilises 35 original studies with 31872 total participants (topic deduplicated ΣN). Overall, this evidence map suggests that coffee has a plausible but not definitive relationship with longevity, with the clearest human signal being an association between a coffee-containing Japanese dietary pattern and lower all-cause mortality (HR 0.91, 95% CI 0.83–0.99) plus 10.2 months longer median survival time, alongside an inverse relation between coffee consumption and 25-year survival in Dutch men. Mechanistic and model-organism findings support a role for oxidative stress modulation and insulin/IGF-1–related pathways, as coffee infusions, coffee silverskin extract, and coffee-derived phenolics extended lifespan or stress resistance in yeast and C. elegans. At the same time, the mapped literature highlights important heterogeneity, including null associations for cognitive decline and telomere length, an adverse L-shaped association with serum α-Klotho, and possible harms in genotype-specific or high-dose contexts. In practical terms, these findings do not support using coffee as a proven anti-aging intervention, but they also do not suggest that moderate habitual intake should be discouraged on longevity grounds alone in most adults. The next priority is well-designed longitudinal human research that isolates coffee exposure, clarifies dose and beverage form, and tests whether biomarker and genotype differences translate into consistent survival effects.
Final search date and database lock: 2026-03-22 20:37:18 CET
Plan: Pro (expanded craft tokens; source: Semantic Scholar)
Source: Semantic Scholar
Total Abstracts/Papers: 892
Downloaded Abstracts/Papers: 892
Included original and non-original Abstracts/Papers (all): 49
Included original Abstracts/Papers (Vote counting by direction of effect): 35
Reference Index (links used in paper): 25
Total participants (topic deduplicated ΣN): 31872
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The Evidence Object JSON is a separate machine-readable evidence product: a concentrated synthesis of results, topic-level evidence, and discussion across original and non-original studies. It can be directly input into your LLM, agent, or RAG workflow.
Reference Index (25)
[1] Green tea and coffee intake and risk of cognitive decline in older adults: the National Institute for Longevity Sciences, Longitudinal Study of Aging — https://doi.org/10.1017/s1368980019002659
[5] Longevity-associated mitochondrial DNA 5178 C/A polymorphism modulates the effects of coffee consumption on erythrocytic parameters in Japanese men: an exploratory cross-sectional analysis — https://doi.org/10.1186/1880-6805-33-37
[6] Caffeic and Dihydrocaffeic Acids Promote Longevity and Increase Stress Resistance in Caenorhabditis elegans by Modulating Expression of Stress-Related Genes — https://doi.org/10.3390/molecules26061517
[9] Mitochondrial DNA 5178 C/A polymorphism modulates the effects of coffee consumption on elevated levels of serum liver enzymes in male Japanese health check-up examinees: an exploratory cross-sectional study — https://doi.org/10.1186/s40101-016-0098-2
[14] Effects of caffeine and used coffee grounds on biological features of Aedes aegypti (Diptera, Culicidae) and their possible use in alternative control — https://doi.org/10.1590/s1415-47572003000400004
[15] NADH Dehydrogenase Subunit-2 237 Leu/Met Polymorphism Modulates the Effects of Coffee Consumption on the Risk of Hypertension in Middle-Aged Japanese Men — https://doi.org/10.2188/jea.je20081040
[44] The relationship between peripheral blood mononuclear cells telomere length and diet - unexpected effect of red meat — https://doi.org/10.1186/s12937-016-0189-2
