{"count":10,"index":{"built_at":"2026-07-26T23:26:02.190722+00:00","public_records":55311,"revision":"dd062d35e28958eea147558b"},"query":{"area":null,"kind":null,"lang":null,"limit":10,"match_mode":"all_terms","q":"Evidence check: CLOCK in the context of Stress"},"results":[{"answer":"The question about CLOCK in the context of stress is scientifically intriguing, but the provided knowledge contexts contain no specific information about this gene or its connection to stress. CLOCK (Circadian Locomotor Output Cycles Kaput) is a core circadian gene that regulates the expression of many genes involved in metabolism, sleep, and hormonal balance. Stress—especially chronic psychosocial stress—can disrupt circadian rhythms, which in turn may affect CLOCK expression. Conversely, genetic variants in CLOCK could modulate individual susceptibility to stress-related disorders such as sleep disturbances or burnout. However, the evidence base is still largely mechanistic and insufficient for clinical recommendations. Consumer DNA tests from MyBody-X may include CLOCK variants, but effect sizes are small and results are not diagnostic. Without direct studies from the given context, the evidence must be rated as unclear. Users should understand that a single gene like CLOCK explains only a tiny fraction of the complex stress response. Lifestyle, environment, and many other genes play a far greater role.","area":"gesundheit","canonical_id":"gesundheit:canonical-21f770116544de3876eabbb9","id":"public-dd90829c36bf2eba34017d5f","kind":"qa","language":"en","publication_status":"existing_native_answer_privacy_screened_sources_pending","question":"Evidence check: CLOCK in the context of Stress","score":19.36063442,"snippet":"The question about CLOCK in the context of stress is scientifically intriguing, but the provided knowledge contexts contain no specific information about this gene or its connection to stress. CLOCK (Circadian Locomotor Output Cycles Kaput) is a core circadian gene that regulates the expression of many genes involved in metabolism, sleep, and hormonal balance. Stress—especially chronic psychosocial stress—can disrupt circadian rhythms, which in turn may affect CLOCK expression. Conversely, genetic variants in CLOCK could modulate individual susceptibility to stress-related disorders such as sleep disturbances or burnout. However, the evidence base is still largely mechanistic and insufficien","sources":[],"title":"Evidence check: CLOCK in the context of Stress","url":"https://tikki.wiki/wissen/gesundheit/frage/public-dd90829c36bf2eba34017d5f/evidence-check-clock-in-the-context-of-stress/","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 gene variants (e.g., rs1801260) are linked to circadian rhythms, and some studies suggest they may influence fertility through menstrual cycle regulation or embryo implantation. However, the effects are small and not clinically predictive. Most evidence comes from GWAS or candidate gene studies, not interventional trials. A consumer DNA test for CLOCK in the context of fertility lacks robust support. Lifestyle factors such as sleep, diet, and stress management have a far greater impact. Therefore, any claim that a CLOCK test can meaningfully guide fertility optimization is overstated. Evidence: mechanistic/GWAS, not strong.","area":"gesundheit","canonical_id":"gesundheit:canonical-a47a3146c2a6f1c68844c2c8","id":"public-5aade146aee676a1638c33de","kind":"qa","language":"en","publication_status":"existing_native_answer_privacy_screened_sources_pending","question":"Evidence check: CLOCK in the context of Fruchtbarkeit","score":18.90597308,"snippet":"CLOCK gene variants (e.g., rs1801260) are linked to circadian rhythms, and some studies suggest they may influence fertility through menstrual cycle regulation or embryo implantation. However, the effects are small and not clinically predictive. Most evidence comes from GWAS or candidate gene studies, not interventional trials. A consumer DNA test for CLOCK in the context of fertility lacks robust support. Lifestyle factors such as sleep, diet, and stress management have a far greater impact. Therefore, any claim that a CLOCK test can meaningfully guide fertility optimization is overstated. Evidence: mechanistic/GWAS, not strong.","sources":[],"title":"Evidence check: CLOCK in the context of Fruchtbarkeit","url":"https://tikki.wiki/wissen/gesundheit/frage/public-5aade146aee676a1638c33de/evidence-check-clock-in-the-context-of-fruchtbarkeit/","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 query concerns the CLOCK gene in the context of fatigue. The provided knowledge context contains no information about CLOCK. CLOCK is a core component of the circadian clock and is linked to sleep-wake cycles, fatigue, and metabolic regulation. Basic research and animal studies suggest that CLOCK variants can influence circadian rhythms. However, robust human studies demonstrating a direct causal effect on everyday fatigue are lacking. Consumer DNA tests that include CLOCK variants typically do not provide clinically actionable insights. The evidence level is best described as mechanistic or unclear. Lifestyle factors such as sleep hygiene, stress, diet, and physical activity have a much larger impact on fatigue. Without specific context data on CLOCK, no evidence-based conclusion can be drawn.","area":"gesundheit","canonical_id":"gesundheit:canonical-13606f494417abfce96b5f43","id":"public-a8bb9f4d7efa00a972e48985","kind":"qa","language":"en","publication_status":"existing_native_answer_privacy_screened_sources_pending","question":"Evidence check: CLOCK in the context of fatigue","score":18.89036954,"snippet":"The query concerns the CLOCK gene in the context of fatigue. The provided knowledge context contains no information about CLOCK. CLOCK is a core component of the circadian clock and is linked to sleep-wake cycles, fatigue, and metabolic regulation. Basic research and animal studies suggest that CLOCK variants can influence circadian rhythms. However, robust human studies demonstrating a direct causal effect on everyday fatigue are lacking. Consumer DNA tests that include CLOCK variants typically do not provide clinically actionable insights. The evidence level is best described as mechanistic or unclear. Lifestyle factors such as sleep hygiene, stress, diet, and physical activity have a much","sources":[],"title":"Evidence check: CLOCK in the context of fatigue","url":"https://tikki.wiki/wissen/gesundheit/frage/public-a8bb9f4d7efa00a972e48985/evidence-check-clock-in-the-context-of-fatigue/","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 CLOCK gene is a core component of the circadian clock. Certain polymorphisms (e.g., rs1801260) have been linked to diurnal preference, sleep duration, and fatigue in GWAS. However, effect sizes are small, and findings are often not replicated. Fatigue is highly multifactorial, involving sleep quality, stress, nutrition, and medical conditions. Therefore, a consumer DNA test for CLOCK variants cannot reliably predict or explain fatigue. Evidence is limited to genetic association studies (GWAS) with modest odds ratios. Clinical assessment and lifestyle interventions remain the primary approach. If you have persistent fatigue, consult a physician rather than relying on genetic results.","area":"gesundheit","canonical_id":"gesundheit:canonical-2f26b9f688af6dbf40659b37","id":"public-3fe7ff1f5f2bee82e49bcffe","kind":"qa","language":"en","publication_status":"existing_native_answer_privacy_screened_sources_pending","question":"Evidence check: CLOCK in the context of Müdigkeit","score":18.82315738,"snippet":"The CLOCK gene is a core component of the circadian clock. Certain polymorphisms (e.g., rs1801260) have been linked to diurnal preference, sleep duration, and fatigue in GWAS. However, effect sizes are small, and findings are often not replicated. Fatigue is highly multifactorial, involving sleep quality, stress, nutrition, and medical conditions. Therefore, a consumer DNA test for CLOCK variants cannot reliably predict or explain fatigue. Evidence is limited to genetic association studies (GWAS) with modest odds ratios. Clinical assessment and lifestyle interventions remain the primary approach. If you have persistent fatigue, consult a physician rather than relying on genetic results.","sources":[],"title":"Evidence check: CLOCK in the context of Müdigkeit","url":"https://tikki.wiki/wissen/gesundheit/frage/public-3fe7ff1f5f2bee82e49bcffe/evidence-check-clock-in-the-context-of-muedigkeit/","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 knowledge context contains no direct evidence linking the CLOCK gene to skin aging. CLOCK is a core circadian rhythm gene, and some research suggests that circadian disruption (e.g., shift work) may accelerate skin aging via oxidative stress and impaired repair. However, these links are mostly mechanistic or based on animal models; robust human studies are lacking. Therefore, a DNA test for CLOCK variants to predict skin aging is not evidence-based. Individual SNP effects are small, and lifestyle factors (sleep, UV protection, nutrition) dominate. Evidence grade: unclear/mechanistic. Without specific studies from the context, any claim remains speculative. Safety note: Do not alter lifestyle based solely on genetic data without professional guidance.","area":"gesundheit","canonical_id":"gesundheit:canonical-fb928c9b347f83f8679c7dfb","id":"public-e96d6561bd54240e96a16917","kind":"qa","language":"en","publication_status":"existing_native_answer_privacy_screened_sources_pending","question":"Evidence check: CLOCK in the context of skin aging","score":18.80012733,"snippet":"The provided knowledge context contains no direct evidence linking the CLOCK gene to skin aging. CLOCK is a core circadian rhythm gene, and some research suggests that circadian disruption (e.g., shift work) may accelerate skin aging via oxidative stress and impaired repair. However, these links are mostly mechanistic or based on animal models; robust human studies are lacking. Therefore, a DNA test for CLOCK variants to predict skin aging is not evidence-based. Individual SNP effects are small, and lifestyle factors (sleep, UV protection, nutrition) dominate. Evidence grade: unclear/mechanistic. Without specific studies from the context, any claim remains speculative. Safety note: Do not al","sources":[],"title":"Evidence check: CLOCK in the context of skin aging","url":"https://tikki.wiki/wissen/gesundheit/frage/public-e96d6561bd54240e96a16917/evidence-check-clock-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 CLOCK gene is a core component of the circadian clock. Human studies have linked certain CLOCK polymorphisms (e.g., rs1801260) to sleep timing, duration, and morningness-eveningness, but effect sizes are small and replication is inconsistent. Evidence is mixed: moderate human association studies exist, but much of the mechanistic understanding comes from animal models. Consumer DNA tests that include CLOCK variants can offer general insights into chronotype tendencies, but they are not clinically validated for diagnosing sleep disorders or guiding treatment. Sleep is polygenic and heavily influenced by environment (light exposure, stress, diet). Relying solely on CLOCK results may lead to oversimplification. Safety note: persistent sleep issues require medical evaluation, not self-directed supplementation or lifestyle changes based on a single gene. MyBody-X tests are screening tools, not diagnostic devices.","area":"gesundheit","canonical_id":"gesundheit:canonical-238a60282bca2ef01d56ba31","id":"public-339b68dde35747eb9ad7bbfe","kind":"qa","language":"en","publication_status":"existing_native_answer_privacy_screened_sources_pending","question":"Evidence check: CLOCK in the context of sleep","score":18.75337678,"snippet":"The CLOCK gene is a core component of the circadian clock. Human studies have linked certain CLOCK polymorphisms (e.g., rs1801260) to sleep timing, duration, and morningness-eveningness, but effect sizes are small and replication is inconsistent. Evidence is mixed: moderate human association studies exist, but much of the mechanistic understanding comes from animal models. Consumer DNA tests that include CLOCK variants can offer general insights into chronotype tendencies, but they are not clinically validated for diagnosing sleep disorders or guiding treatment. Sleep is polygenic and heavily influenced by environment (light exposure, stress, diet). Relying solely on CLOCK results may lead t","sources":[],"title":"Evidence check: CLOCK in the context of sleep","url":"https://tikki.wiki/wissen/gesundheit/frage/public-339b68dde35747eb9ad7bbfe/evidence-check-clock-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 evidence for a direct link between CLOCK gene variants and fertility is weak and primarily mechanistic. CLOCK is a core circadian rhythm gene, and circadian disruption is associated with hormonal imbalances, menstrual irregularities, and reduced egg and sperm quality. However, most data come from animal studies or small human observational studies; large GWAS or clinical trials confirming specific CLOCK polymorphisms as fertility predictors are lacking. MyBody-X's Hormon & VitalCheck für Frauen tests relevant hormones like cortisol, TSH, and prolactin, but not CLOCK directly. Interpreting CLOCK variants from consumer DNA tests is not clinically actionable. Focus should be on lifestyle factors such as sleep hygiene, stress management, and balanced nutrition. For unresolved infertility, medical evaluation is essential. Evidence: mechanistic, insufficient for recommendations.","area":"gesundheit","canonical_id":"gesundheit:canonical-f46804a08bcd421ee2c87898","id":"public-5043f103ca277ef9b73864bd","kind":"qa","language":"en","publication_status":"existing_native_answer_privacy_screened_sources_pending","question":"Evidence check: CLOCK in the context of fertility","score":18.63774405,"snippet":"The evidence for a direct link between CLOCK gene variants and fertility is weak and primarily mechanistic. CLOCK is a core circadian rhythm gene, and circadian disruption is associated with hormonal imbalances, menstrual irregularities, and reduced egg and sperm quality. However, most data come from animal studies or small human observational studies; large GWAS or clinical trials confirming specific CLOCK polymorphisms as fertility predictors are lacking. MyBody-X's Hormon & VitalCheck für Frauen tests relevant hormones like cortisol, TSH, and prolactin, but not CLOCK directly. Interpreting CLOCK variants from consumer DNA tests is not clinically actionable. Focus should be on lifestyle fa","sources":[],"title":"Evidence check: CLOCK in the context of fertility","url":"https://tikki.wiki/wissen/gesundheit/frage/public-5043f103ca277ef9b73864bd/evidence-check-clock-in-the-context-of-fertility/","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 linking CLOCK gene variants to allergy is currently weak and primarily mechanistic. CLOCK regulates circadian rhythms, which modulate immune cells like mast cells and histamine release. Some studies suggest a link between sleep-wake cycles and allergic symptoms, but specific CLOCK polymorphisms (e.g., rs1801260) have not been consistently associated with allergy risk in large-scale human studies. Evidence comes from cell and animal models plus small human observational studies; no strong GWAS or clinical guidelines exist. For consumers, a DNA test for CLOCK variants does not provide clinically actionable information about allergy risk. Lifestyle factors such as sleep hygiene and stress management are far more influential. Be cautious of marketing claims that label CLOCK as an 'allergy gene'.","area":"gesundheit","canonical_id":"gesundheit:canonical-534354d83fa066d750e10e1c","id":"public-0f2c085f68a0f247c862ad9a","kind":"qa","language":"en","publication_status":"existing_native_answer_privacy_screened_sources_pending","question":"Evidence check: CLOCK in the context of allergy","score":18.63708044,"snippet":"The evidence linking CLOCK gene variants to allergy is currently weak and primarily mechanistic. CLOCK regulates circadian rhythms, which modulate immune cells like mast cells and histamine release. Some studies suggest a link between sleep-wake cycles and allergic symptoms, but specific CLOCK polymorphisms (e.g., rs1801260) have not been consistently associated with allergy risk in large-scale human studies. Evidence comes from cell and animal models plus small human observational studies; no strong GWAS or clinical guidelines exist. For consumers, a DNA test for CLOCK variants does not provide clinically actionable information about allergy risk. Lifestyle factors such as sleep hygiene and","sources":[],"title":"Evidence check: CLOCK in the context of allergy","url":"https://tikki.wiki/wissen/gesundheit/frage/public-0f2c085f68a0f247c862ad9a/evidence-check-clock-in-the-context-of-allergy/","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 CLOCK gene is a core component of the circadian clock and regulates immune functions, including inflammatory responses relevant to allergies. Observational and mechanistic studies suggest that circadian disruption (e.g., shift work, sleep deprivation) may increase the risk of allergic conditions such as asthma, allergic rhinitis, and atopic dermatitis. Some research indicates that CLOCK polymorphisms can influence mast cell degranulation and cytokine release. However, the evidence is largely mechanistic or based on small human studies; large-scale GWAS or randomized trials directly linking CLOCK variants to allergy outcomes are lacking. Therefore, the clinical utility of testing CLOCK in a consumer DNA test for allergies is very limited. Lifestyle factors like sleep regularity and stress reduction likely have a greater impact. Any interpretation should be conservative and not used for diagnosis or treatment decisions without professional medical guidance.","area":"gesundheit","canonical_id":"gesundheit:canonical-8e01b68a80e815dfc62c802e","id":"public-f7e2824f94e8657d87a23e0a","kind":"qa","language":"en","publication_status":"existing_native_answer_privacy_screened_sources_pending","question":"Evidence check: CLOCK in the context of Allergie","score":18.58454857,"snippet":"The CLOCK gene is a core component of the circadian clock and regulates immune functions, including inflammatory responses relevant to allergies. Observational and mechanistic studies suggest that circadian disruption (e.g., shift work, sleep deprivation) may increase the risk of allergic conditions such as asthma, allergic rhinitis, and atopic dermatitis. Some research indicates that CLOCK polymorphisms can influence mast cell degranulation and cytokine release. However, the evidence is largely mechanistic or based on small human studies; large-scale GWAS or randomized trials directly linking CLOCK variants to allergy outcomes are lacking. Therefore, the clinical utility of testing CLOCK in","sources":[],"title":"Evidence check: CLOCK in the context of Allergie","url":"https://tikki.wiki/wissen/gesundheit/frage/public-f7e2824f94e8657d87a23e0a/evidence-check-clock-in-the-context-of-allergie/","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 role of the CLOCK gene in gut health is not well supported by current evidence. CLOCK is primarily a master regulator of circadian rhythms, and there is some mechanistic and animal-model data suggesting that circadian disruption can affect gut barrier function, microbiome composition, and immune responses. However, direct-to-consumer genetic tests that claim to assess gut health via CLOCK polymorphisms lack clinical validation. The knowledge base provided contains no studies linking specific CLOCK variants to measurable gut health outcomes such as microbiome diversity, inflammation markers, or intestinal permeability. The evidence is limited to theoretical pathways and preclinical findings. Therefore, any claim that a CLOCK gene test can predict or improve gut health is currently speculative and likely marketing-driven. Consumers should rely on established lifestyle factors (dietary fiber, food diversity, sleep hygiene, stress management) rather than unvalidated genetic markers.","area":"gesundheit","canonical_id":"gesundheit:canonical-93730a509d290a0682ba6353","id":"public-b0663b84b1416c55d989a855","kind":"qa","language":"en","publication_status":"existing_native_answer_privacy_screened_sources_pending","question":"Evidence check: CLOCK in the context of Darmgesundheit","score":18.56280076,"snippet":"The role of the CLOCK gene in gut health is not well supported by current evidence. CLOCK is primarily a master regulator of circadian rhythms, and there is some mechanistic and animal-model data suggesting that circadian disruption can affect gut barrier function, microbiome composition, and immune responses. However, direct-to-consumer genetic tests that claim to assess gut health via CLOCK polymorphisms lack clinical validation. The knowledge base provided contains no studies linking specific CLOCK variants to measurable gut health outcomes such as microbiome diversity, inflammation markers, or intestinal permeability. The evidence is limited to theoretical pathways and preclinical findin","sources":[],"title":"Evidence check: CLOCK in the context of Darmgesundheit","url":"https://tikki.wiki/wissen/gesundheit/frage/public-b0663b84b1416c55d989a855/evidence-check-clock-in-the-context-of-darmgesundheit/","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"}