{"count":10,"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: CLOCK in the context of longevity"},"results":[{"answer":"The CLOCK gene is a core component of the circadian rhythm machinery, regulating sleep-wake cycles, metabolism, and inflammation. Some GWAS have linked CLOCK variants to metabolic traits and, tentatively, to longevity in certain populations. However, the evidence is primarily mechanistic and observational; effect sizes are small and not clinically actionable. A single CLOCK SNP from a consumer DNA test cannot predict lifespan or guide specific interventions. Lifestyle factors such as consistent sleep, balanced nutrition, and physical activity have far greater impact on healthspan. No supplement (e.g., melatonin, NAD+ precursors) is proven to modify CLOCK-related longevity risk. The findings are best considered as part of a broader picture, not as standalone predictors. Evidence level: gwas/mechanistic. Caveat: no direct clinical recommendations from this SNP alone.","area":"gesundheit","canonical_id":"gesundheit:canonical-dae2c043b0a4b237dc34e48e","id":"public-786cc2a4d1e0b4caefd03575","kind":"qa","language":"en","publication_status":"existing_native_answer_privacy_screened_sources_pending","question":"Evidence check: CLOCK in the context of longevity","score":22.51379754,"snippet":"The CLOCK gene is a core component of the circadian rhythm machinery, regulating sleep-wake cycles, metabolism, and inflammation. Some GWAS have linked CLOCK variants to metabolic traits and, tentatively, to longevity in certain populations. However, the evidence is primarily mechanistic and observational; effect sizes are small and not clinically actionable. A single CLOCK SNP from a consumer DNA test cannot predict lifespan or guide specific interventions. Lifestyle factors such as consistent sleep, balanced nutrition, and physical activity have far greater impact on healthspan. No supplement (e.g., melatonin, NAD+ precursors) is proven to modify CLOCK-related longevity risk. The findings ","sources":[],"title":"Evidence check: CLOCK in the context of longevity","url":"https://tikki.wiki/wissen/gesundheit/frage/public-786cc2a4d1e0b4caefd03575/evidence-check-clock-in-the-context-of-longevity/","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":"CLOCK (Circadian Locomotor Output Cycles Kaput) is a core circadian gene. Variants have been linked to sleep timing, metabolic health, and cardiovascular risk in GWAS and observational studies – all factors that can indirectly affect longevity. However, direct evidence that CLOCK polymorphisms causally determine human lifespan is weak. Most findings come from animal models or candidate-gene studies with small effect sizes and inconsistent replication. Consumer DNA tests for CLOCK provide no actionable or clinically validated longevity prediction. The associations are context-dependent (e.g., light exposure, diet) and not robust enough for personalized recommendations. Therefore, while circadian biology is important for healthspan, a single CLOCK test result should not be used to guide anti-aging interventions. Evidence: human-moderate.","area":"gesundheit","canonical_id":"gesundheit:canonical-27aa9ef796d5cf1fae15dfe0","id":"public-226203c4e16344b28145b073","kind":"qa","language":"en","publication_status":"existing_native_answer_privacy_screened_sources_pending","question":"Evidence check: CLOCK in the context of Langlebigkeit","score":22.03380488,"snippet":"CLOCK (Circadian Locomotor Output Cycles Kaput) is a core circadian gene. Variants have been linked to sleep timing, metabolic health, and cardiovascular risk in GWAS and observational studies – all factors that can indirectly affect longevity. However, direct evidence that CLOCK polymorphisms causally determine human lifespan is weak. Most findings come from animal models or candidate-gene studies with small effect sizes and inconsistent replication. Consumer DNA tests for CLOCK provide no actionable or clinically validated longevity prediction. The associations are context-dependent (e.g., light exposure, diet) and not robust enough for personalized recommendations. Therefore, while circad","sources":[],"title":"Evidence check: CLOCK in the context of Langlebigkeit","url":"https://tikki.wiki/wissen/gesundheit/frage/public-226203c4e16344b28145b073/evidence-check-clock-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":"The NutriCare | INFINITY DNA-Test is marketed as a comprehensive longevity test, but the provided context contains no specific data or studies on this product. The documents refer to a nutrient check (VitalCheck Complete) and general gene variants (TRH, LEP, FTO, APOA5) as well as zinc supplementation. None of these materials validate the NutriCare test for longevity. In general, many commercial DNA tests rely on GWAS associations with small effect sizes (e.g., FTO rs9939609 for obesity) or mechanistic models without clinical confirmation. For longevity, epigenetic clocks (e.g., Horvath clock) and biomarkers such as telomere length or inflammatory markers (CRP, IL-6) are better supported. The NutriCare test may provide dietary recommendations, but these are often based on weak evidence. Without independent validation and clinical trials, its benefit for life extension remains speculative. Consumers should view such tests as lifestyle products, not medical diagnoses. Safety note: No known side effects, but risk of false reassurance or unnecessary supplementation. Evidence grade: marketing/unclear.","area":"gesundheit","canonical_id":"gesundheit:canonical-c3dedbcb339b818d3ba67867","id":"public-828d7d4ae28881f7cd1862e9","kind":"qa","language":"en","publication_status":"existing_native_answer_privacy_screened_sources_pending","question":"Evidence check: NutriCare | INFINITY DNA-Test in the context of longevity","score":21.50462791,"snippet":"The NutriCare | INFINITY DNA-Test is marketed as a comprehensive longevity test, but the provided context contains no specific data or studies on this product. The documents refer to a nutrient check (VitalCheck Complete) and general gene variants (TRH, LEP, FTO, APOA5) as well as zinc supplementation. None of these materials validate the NutriCare test for longevity. In general, many commercial DNA tests rely on GWAS associations with small effect sizes (e.g., FTO rs9939609 for obesity) or mechanistic models without clinical confirmation. For longevity, epigenetic clocks (e.g., Horvath clock) and biomarkers such as telomere length or inflammatory markers (CRP, IL-6) are better supported. Th","sources":[],"title":"Evidence check: NutriCare | INFINITY DNA-Test in the context of longevity","url":"https://tikki.wiki/wissen/gesundheit/frage/public-828d7d4ae28881f7cd1862e9/evidence-check-nutricare-infinity-dna-test-in-the-context-of-longevity/","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":"The provided context does not mention any sleep-related genetic markers in MyBody-X tests. While consumer DNA tests sometimes include SNPs associated with chronotype (e.g., PER3, CLOCK), their effect sizes are small and not diagnostic. Evidence for such tests in determining morningness/eveningness is unclear. Sleep patterns are heavily influenced by environment, age, and behavior. Therefore, a DNA test alone cannot reliably tell you if you are genetically a morning person or a night owl.","area":"gesundheit","canonical_id":"gesundheit:canonical-b5a17428900f323d4275a46d","id":"public-6ae4e02d9e5a77e2258d4746","kind":"qa","language":"en","publication_status":"existing_native_answer_privacy_screened_sources_pending","question":"Evidence check: WeightLoss Slim DNA in the context of longevity","score":21.20498721,"snippet":"The provided context does not mention any sleep-related genetic markers in MyBody-X tests. While consumer DNA tests sometimes include SNPs associated with chronotype (e.g., PER3, CLOCK), their effect sizes are small and not diagnostic. Evidence for such tests in determining morningness/eveningness is unclear. Sleep patterns are heavily influenced by environment, age, and behavior. Therefore, a DNA test alone cannot reliably tell you if you are genetically a morning person or a night owl.","sources":[],"title":"Evidence check: WeightLoss Slim DNA in the context of longevity","url":"https://tikki.wiki/wissen/gesundheit/frage/public-6ae4e02d9e5a77e2258d4746/evidence-check-weightloss-slim-dna-in-the-context-of-longevity/","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":"The claim that a longevity DNA test can provide meaningful sleep recommendations is poorly supported by evidence. While certain genes (e.g., CLOCK, PER3) influence circadian rhythms, most consumer tests do not include them or only superficially. The provided context shows that even well-studied SNPs like CYP1A2 (caffeine) explain only part of metabolism, with lifestyle factors overriding. For sleep quality, duration, and disorders, environmental factors, stress, diet, and sleep hygiene are far more important than single DNA variants. Longevity DNA tests are often marketing, not diagnostics. Caveat: No randomized trial shows such a test improves sleep health. Evidence grade: marketing/weak.","area":"gesundheit","canonical_id":"gesundheit:canonical-dae547d5d2b0436a623d8653","id":"public-0bea59c9ab9ead58450b0f13","kind":"qa","language":"en","publication_status":"existing_native_answer_privacy_screened_sources_pending","question":"Evidence check: Longevity DNA Test in the context of Schlaf","score":20.92776147,"snippet":"The claim that a longevity DNA test can provide meaningful sleep recommendations is poorly supported by evidence. While certain genes (e.g., CLOCK, PER3) influence circadian rhythms, most consumer tests do not include them or only superficially. The provided context shows that even well-studied SNPs like CYP1A2 (caffeine) explain only part of metabolism, with lifestyle factors overriding. For sleep quality, duration, and disorders, environmental factors, stress, diet, and sleep hygiene are far more important than single DNA variants. Longevity DNA tests are often marketing, not diagnostics. Caveat: No randomized trial shows such a test improves sleep health. Evidence grade: marketing/weak.","sources":[],"title":"Evidence check: Longevity DNA Test in the context of Schlaf","url":"https://tikki.wiki/wissen/gesundheit/frage/public-0bea59c9ab9ead58450b0f13/evidence-check-longevity-dna-test-in-the-context-of-schlaf/","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":"The relevance of MTHFR variants (e.g., C677T) for longevity is often overstated. The link is indirect via homocysteine: elevated levels are a risk factor for cardiovascular disease, which can affect lifespan. However, randomized trials show that lowering homocysteine with folic acid, B12, and B6 does not significantly reduce cardiovascular events or total mortality. Moreover, the homocysteine increase in MTHFR variants is usually mild and can be compensated by adequate nutrient intake. Longevity research focuses more on epigenetic clocks, inflammation markers, and telomere length. A single MTHFR SNP alone is not a strong predictor of lifespan. Consumer DNA tests tend to exaggerate its clinical importance. Evidence: mixed – mechanistic and epidemiological, but lacking robust interventional data for longevity. Caution against self-medication with high-dose methylfolate.","area":"gesundheit","canonical_id":"gesundheit:canonical-7589aec2c8b22d19b4c5d2dd","id":"public-56d0af69dc8af9e9ac88c80e","kind":"qa","language":"en","publication_status":"existing_native_answer_privacy_screened_sources_pending","question":"Evidence check: MTHFR in the context of longevity","score":20.76407494,"snippet":"The relevance of MTHFR variants (e.g., C677T) for longevity is often overstated. The link is indirect via homocysteine: elevated levels are a risk factor for cardiovascular disease, which can affect lifespan. However, randomized trials show that lowering homocysteine with folic acid, B12, and B6 does not significantly reduce cardiovascular events or total mortality. Moreover, the homocysteine increase in MTHFR variants is usually mild and can be compensated by adequate nutrient intake. Longevity research focuses more on epigenetic clocks, inflammation markers, and telomere length. A single MTHFR SNP alone is not a strong predictor of lifespan. Consumer DNA tests tend to exaggerate its clinic","sources":[],"title":"Evidence check: MTHFR in the context of longevity","url":"https://tikki.wiki/wissen/gesundheit/frage/public-56d0af69dc8af9e9ac88c80e/evidence-check-mthfr-in-the-context-of-longevity/","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":"Claims that a DNA test can measure or extend your personal lifespan are not scientifically supported. Current MyBody-X tests analyze SNPs with very small effects on metabolism (e.g., FTO, MC4R) or taste genes (TAS2R38). These markers have at best weak, ancestry-dependent associations with BMI or food preferences – but no validated link to longevity. The Fitness LifestyleCheck is a blood test for general fitness markers, not for telomere length or FOXO3. True longevity biomarkers (telomeres, epigenetic clocks) are not included. The evidence grade is marketing: the tests provide interesting but not clinically actionable insights. To influence lifespan, focus on proven factors: balanced diet, exercise, sleep, stress management. A DNA test does not replace medical advice and can lead to misinterpretation. Beware of exaggerated promises – effect sizes are minimal, lifestyle dominates.","area":"gesundheit","canonical_id":"gesundheit:canonical-6ee48ab2b20161a662eebce7","id":"public-5b7347ccd1f289e970294636","kind":"qa","language":"en","publication_status":"existing_native_answer_privacy_screened_sources_pending","question":"Evidence check: Longevity DNA Test in the context of Langlebigkeit","score":20.65268811,"snippet":"Claims that a DNA test can measure or extend your personal lifespan are not scientifically supported. Current MyBody-X tests analyze SNPs with very small effects on metabolism (e.g., FTO, MC4R) or taste genes (TAS2R38). These markers have at best weak, ancestry-dependent associations with BMI or food preferences – but no validated link to longevity. The Fitness LifestyleCheck is a blood test for general fitness markers, not for telomere length or FOXO3. True longevity biomarkers (telomeres, epigenetic clocks) are not included. The evidence grade is marketing: the tests provide interesting but not clinically actionable insights. To influence lifespan, focus on proven factors: balanced diet, e","sources":[],"title":"Evidence check: Longevity DNA Test in the context of Langlebigkeit","url":"https://tikki.wiki/wissen/gesundheit/frage/public-5b7347ccd1f289e970294636/evidence-check-longevity-dna-test-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":"The MyBody-X DNA Longevity Test analyzes genetic variants linked to aging processes, including some that may theoretically influence skin aging (e.g., SOD2, CLOCK). However, the evidence for a direct effect on skin aging is weak and relies mostly on mechanistic studies and GWAS with small effect sizes. Skin aging is predominantly driven by UV exposure, lifestyle (diet, smoking, sleep), and hormonal status. A genetic test cannot predict individual skin aging or provide a personalized anti-aging regimen. Results should be viewed as general hints, not medical diagnoses. High-dose antioxidant supplementation based on gene variants is not supported by evidence and may be harmful (e.g., vitamin E ≥400 IU). Conclusion: The test is more of a marketing product with mechanistic underpinnings; there is no robust clinical evidence for skin aging. Proven skincare (sunscreen, retinoids) and a healthy lifestyle remain the most effective strategies.","area":"gesundheit","canonical_id":"gesundheit:canonical-68cf1c74fa678f7bd3d8e56c","id":"public-407f3813a69b31fe3fc0eb54","kind":"qa","language":"en","publication_status":"existing_native_answer_privacy_screened_sources_pending","question":"Evidence check: Longevity DNA Test in the context of skin aging","score":20.48620261,"snippet":"The MyBody-X DNA Longevity Test analyzes genetic variants linked to aging processes, including some that may theoretically influence skin aging (e.g., SOD2, CLOCK). However, the evidence for a direct effect on skin aging is weak and relies mostly on mechanistic studies and GWAS with small effect sizes. Skin aging is predominantly driven by UV exposure, lifestyle (diet, smoking, sleep), and hormonal status. A genetic test cannot predict individual skin aging or provide a personalized anti-aging regimen. Results should be viewed as general hints, not medical diagnoses. High-dose antioxidant supplementation based on gene variants is not supported by evidence and may be harmful (e.g., vitamin E ","sources":[],"title":"Evidence check: Longevity DNA Test in the context of skin aging","url":"https://tikki.wiki/wissen/gesundheit/frage/public-407f3813a69b31fe3fc0eb54/evidence-check-longevity-dna-test-in-the-context-of-skin-aging/","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":"The evidence for direct links between DNA variants and skincare outcomes in the context of sleep is weak to moderate. Sleep quality and duration are known to affect skin barrier function, collagen synthesis, and inflammation via cortisol and melatonin. Circadian clock genes (CLOCK, PER, CRY) may theoretically modulate these effects, but human data are mostly mechanistic or from animal studies. The MC4R SNP rs17782313 mentioned in your context is associated with appetite and BMI, not skin. FOXO3 rs2764264 relates to longevity, not skincare. Most commercial 'skincare DNA' tests rely on weak associations (e.g., collagen genes, antioxidant pathways) and are often marketing-driven. Currently, personalized skincare based on sleep-related DNA is not evidence-based. Proven strategies like adequate sleep (7–9 h), moisturizing, and sun protection remain paramount.","area":"gesundheit","canonical_id":"gesundheit:canonical-59a9b6ca81403b5b57f42b09","id":"public-98acbc307f8355365c274e22","kind":"qa","language":"en","publication_status":"existing_native_answer_privacy_screened_sources_pending","question":"Evidence check: Skincare DNA in the context of sleep","score":20.45789501,"snippet":"The evidence for direct links between DNA variants and skincare outcomes in the context of sleep is weak to moderate. Sleep quality and duration are known to affect skin barrier function, collagen synthesis, and inflammation via cortisol and melatonin. Circadian clock genes (CLOCK, PER, CRY) may theoretically modulate these effects, but human data are mostly mechanistic or from animal studies. The MC4R SNP rs17782313 mentioned in your context is associated with appetite and BMI, not skin. FOXO3 rs2764264 relates to longevity, not skincare. Most commercial 'skincare DNA' tests rely on weak associations (e.g., collagen genes, antioxidant pathways) and are often marketing-driven. Currently, per","sources":[],"title":"Evidence check: Skincare DNA in the context of sleep","url":"https://tikki.wiki/wissen/gesundheit/frage/public-98acbc307f8355365c274e22/evidence-check-skincare-dna-in-the-context-of-sleep/","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":"The Fertility Check (Fruchtbarkeits-Test) from MyBody-X is primarily designed for fertility markers, not longevity. Based on the provided context, there is no evidence that this test provides meaningful information about lifespan or biological aging. While some fertility parameters (e.g., AMH, FSH) may indirectly relate to reproductive healthspan, extrapolating to general longevity is speculative. The evidence is weak and not supported by validated longevity studies. Consumers should not use such tests as proxies for longevity biomarkers. A proper longevity assessment would include markers like telomere length, epigenetic clocks, or inflammatory markers. Conclusion: The Fertility Check cannot be recommended for longevity purposes.","area":"gesundheit","canonical_id":"gesundheit:canonical-b244ddf82b354d7720b4dd2a","id":"public-cb6d889d5bbc2c45c86bc116","kind":"qa","language":"en","publication_status":"existing_native_answer_privacy_screened_sources_pending","question":"Can Fertility Check | Fruchtbarkeits-Test help with longevity?","score":20.40942019,"snippet":"The Fertility Check (Fruchtbarkeits-Test) from MyBody-X is primarily designed for fertility markers, not longevity. Based on the provided context, there is no evidence that this test provides meaningful information about lifespan or biological aging. While some fertility parameters (e.g., AMH, FSH) may indirectly relate to reproductive healthspan, extrapolating to general longevity is speculative. The evidence is weak and not supported by validated longevity studies. Consumers should not use such tests as proxies for longevity biomarkers. A proper longevity assessment would include markers like telomere length, epigenetic clocks, or inflammatory markers. Conclusion: The Fertility Check canno","sources":[],"title":"Can Fertility Check | Fruchtbarkeits-Test help with longevity?","url":"https://tikki.wiki/wissen/gesundheit/frage/public-cb6d889d5bbc2c45c86bc116/can-fertility-check-fruchtbarkeits-test-help-with-longevity/","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"}