{"count":1,"index":{"built_at":"2026-07-28T02:10:47.963845+00:00","public_records":55311,"revision":"b4e5bed1af9e4c3ba654d338"},"query":{"area":null,"kind":null,"lang":null,"limit":10,"match_mode":"all_terms","q":"Evidence check: LCT in the context of Langlebigkeit"},"results":[{"answer":"The link between LCT (lactase persistence) and longevity is not scientifically robust. Variants like rs4988235 determine adult lactose digestion. In dairy-farming populations, lactase persistence may provide nutritional benefits (e.g., calcium intake, bone health) that could indirectly support longevity. However, evidence is mixed: some studies show higher bone density, others suggest increased cancer risk (e.g., ovarian). Direct lifespan effects are not consistently replicated. Consumer DNA tests often overstate the relevance. Evidence level: mixed/unclear – based on population genetics and observational data, not causal longevity trials. Caveat: single genes rarely determine lifespan; lifestyle and environment dominate.","area":"gesundheit","canonical_id":"gesundheit:canonical-49ca53674111f31b4b716ec8","id":"public-5a4a6084d2861ef3d0a88553","kind":"qa","language":"en","publication_status":"existing_native_answer_privacy_screened_sources_pending","question":"Evidence check: LCT in the context of Langlebigkeit","score":24.19420574,"snippet":"The link between LCT (lactase persistence) and longevity is not scientifically robust. Variants like rs4988235 determine adult lactose digestion. In dairy-farming populations, lactase persistence may provide nutritional benefits (e.g., calcium intake, bone health) that could indirectly support longevity. However, evidence is mixed: some studies show higher bone density, others suggest increased cancer risk (e.g., ovarian). Direct lifespan effects are not consistently replicated. Consumer DNA tests often overstate the relevance. Evidence level: mixed/unclear – based on population genetics and observational data, not causal longevity trials. Caveat: single genes rarely determine lifespan; life","sources":[],"title":"Evidence check: LCT in the context of Langlebigkeit","url":"https://tikki.wiki/wissen/gesundheit/frage/public-5a4a6084d2861ef3d0a88553/evidence-check-lct-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"}