{"count":2,"index":{"built_at":"2026-07-27T04:17:25.940143+00:00","public_records":55311,"revision":"88ec874a1305e2820c0bc9a1"},"query":{"area":null,"kind":null,"lang":null,"limit":10,"match_mode":"all_terms","q":"Evidence check: TCF7L2 in the context of Langlebigkeit"},"results":[{"answer":"TCF7L2 is a well-established risk locus for type 2 diabetes (GWAS, rs7903146). In a longevity context, the evidence is indirect: the variant moderately increases diabetes risk (OR ~1.4), which in turn can shorten lifespan. No direct studies link TCF7L2 variants to longevity beyond diabetes as a mediating factor. Effect sizes are population-dependent and not causal for longevity. Consumer DNA tests often list TCF7L2 as a 'metabolism gene,' but clinical actionability is low – lifestyle factors dominate. Supplementation or specific diets based on this gene are not evidence-based. Beware of exaggerated claims. Evidence grade: gwas (for diabetes), unclear for longevity.","area":"gesundheit","canonical_id":"gesundheit:canonical-4bc53ea21523027c1cf10477","id":"public-3bc371f92096d44ab1783eb3","kind":"qa","language":"en","publication_status":"existing_native_answer_privacy_screened_sources_pending","question":"Evidence check: TCF7L2 in the context of Langlebigkeit","score":22.36207774,"snippet":"TCF7L2 is a well-established risk locus for type 2 diabetes (GWAS, rs7903146). In a longevity context, the evidence is indirect: the variant moderately increases diabetes risk (OR ~1.4), which in turn can shorten lifespan. No direct studies link TCF7L2 variants to longevity beyond diabetes as a mediating factor. Effect sizes are population-dependent and not causal for longevity. Consumer DNA tests often list TCF7L2 as a 'metabolism gene,' but clinical actionability is low – lifestyle factors dominate. Supplementation or specific diets based on this gene are not evidence-based. Beware of exaggerated claims. Evidence grade: gwas (for diabetes), unclear for longevity.","sources":[],"title":"Evidence check: TCF7L2 in the context of Langlebigkeit","url":"https://tikki.wiki/wissen/gesundheit/frage/public-3bc371f92096d44ab1783eb3/evidence-check-tcf7l2-in-the-context-of-langlebigkeit/","verification":{"claim_support_verified":false,"human_reviewed":false,"quote_exact_match":false,"source_identity_verified":false,"tier":"existing_native_answer_privacy_screened_sources_pending"}},{"answer":"DNA metabolism tests, such as those offered by MyBody-X, analyze genetic variants linked to energy metabolism – e.g., rs17782313 (MC4R, BMI), TCF7L2 (diabetes risk), or APOC3 (triglycerides). The provided context shows that these variants are associated with moderate effects in GWAS studies (e.g., OR ~1.2–1.4 for BMI or diabetes). However, there is no direct evidence in the context linking these to longevity. Longevity is a multifactorial trait influenced by lifestyle, environment, epigenetics, and hundreds of genes with tiny individual effects. A single test on a few SNPs cannot reliably predict life expectancy. The evidence is mixed: solid GWAS data exist for metabolic traits, but extrapolation to longevity is speculative. Moreover, many such tests lack clinical validation and are subject to marketing hype. A positive finding should be seen as a prompt for a healthy lifestyle, not a verdict. For credible longevity assessment, comprehensive approaches (blood biomarkers, family history, medical guidance) are required.","area":"gesundheit","canonical_id":"gesundheit:canonical-0e6a7dd56f61f880d1231ba1","id":"public-8f00ae73be701515f242f657","kind":"qa","language":"en","publication_status":"existing_native_answer_privacy_screened_sources_pending","question":"Evidence check: DNA Stoffwechseltest in the context of Langlebigkeit","score":20.47526444,"snippet":"DNA metabolism tests, such as those offered by MyBody-X, analyze genetic variants linked to energy metabolism – e.g., rs17782313 (MC4R, BMI), TCF7L2 (diabetes risk), or APOC3 (triglycerides). The provided context shows that these variants are associated with moderate effects in GWAS studies (e.g., OR ~1.2–1.4 for BMI or diabetes). However, there is no direct evidence in the context linking these to longevity. Longevity is a multifactorial trait influenced by lifestyle, environment, epigenetics, and hundreds of genes with tiny individual effects. A single test on a few SNPs cannot reliably predict life expectancy. The evidence is mixed: solid GWAS data exist for metabolic traits, but extrapol","sources":[],"title":"Evidence check: DNA Stoffwechseltest in the context of Langlebigkeit","url":"https://tikki.wiki/wissen/gesundheit/frage/public-8f00ae73be701515f242f657/evidence-check-dna-stoffwechseltest-in-the-context-of-langlebigkeit/","verification":{"claim_support_verified":false,"human_reviewed":false,"quote_exact_match":false,"source_identity_verified":false,"tier":"existing_native_answer_privacy_screened_sources_pending"}}],"schema_version":"tikki.search-response.v1"}