{"count":10,"index":{"built_at":"2026-07-28T00:04:42.953141+00:00","public_records":55311,"revision":"182f08f5b4b9b1c4ebc74fdf"},"query":{"area":null,"kind":null,"lang":null,"limit":10,"match_mode":"all_terms","q":"Evidence check: FTO in the context of fatigue"},"results":[{"answer":"FTO is a gene associated with obesity in GWAS, but with a small effect size (~0.4 kg/m² per risk allele). There is no direct causal evidence linking FTO variants to fatigue. Fatigue may arise secondarily from obesity-related conditions (e.g., sleep apnea), but FTO alone is not a predictor. The evidence for an FTO-fatigue connection is indirect and weak. Lifestyle factors (diet, exercise, sleep) have a much larger impact. MyBody-X tests include FTO, but interpretation should be cautious: no clinical recommendation for fatigue can be derived from FTO. Caveat: population specificity of GWAS results. Source: ENSG00000140718.","area":"gesundheit","canonical_id":"gesundheit:canonical-dd87c76a21be3a72c2fd2a9d","id":"public-536968dc1d64599c5f0d0d81","kind":"qa","language":"en","publication_status":"existing_native_answer_privacy_screened_sources_pending","question":"Evidence check: FTO in the context of fatigue","score":19.94530234,"snippet":"FTO is a gene associated with obesity in GWAS, but with a small effect size (~0.4 kg/m² per risk allele). There is no direct causal evidence linking FTO variants to fatigue. Fatigue may arise secondarily from obesity-related conditions (e.g., sleep apnea), but FTO alone is not a predictor. The evidence for an FTO-fatigue connection is indirect and weak. Lifestyle factors (diet, exercise, sleep) have a much larger impact. MyBody-X tests include FTO, but interpretation should be cautious: no clinical recommendation for fatigue can be derived from FTO. Caveat: population specificity of GWAS results. Source: ENSG00000140718.","sources":[],"title":"Evidence check: FTO in the context of fatigue","url":"https://tikki.wiki/wissen/gesundheit/frage/public-536968dc1d64599c5f0d0d81/evidence-check-fto-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 link between FTO variants (e.g., rs9939609) and fatigue is indirect and weakly supported by evidence. FTO is strongly associated with fat mass and obesity risk; carriers of the risk allele tend to have slightly higher BMI and altered appetite regulation. Obesity can contribute to fatigue through sleep apnea, low-grade inflammation, and metabolic strain. However, a direct causal effect of FTO on tiredness or low energy is not established. The evidence is mechanistic (FTO involved in energy homeostasis) and epidemiological (BMI association), but insufficient for individual fatigue prediction. A consumer DNA test like MyBody-X can indicate obesity predisposition, but cannot diagnose fatigue causes. Clinical workup (thyroid, iron, sleep, stress) remains essential. Caveat: Fatigue is multifactorial; a single gene variant explains negligible variance.","area":"gesundheit","canonical_id":"gesundheit:canonical-676e908ffa8b583638dc0345","id":"public-c6959eb6bd657fbc304a6460","kind":"qa","language":"en","publication_status":"existing_native_answer_privacy_screened_sources_pending","question":"Evidence check: FTO in the context of Müdigkeit","score":19.68076431,"snippet":"The link between FTO variants (e.g., rs9939609) and fatigue is indirect and weakly supported by evidence. FTO is strongly associated with fat mass and obesity risk; carriers of the risk allele tend to have slightly higher BMI and altered appetite regulation. Obesity can contribute to fatigue through sleep apnea, low-grade inflammation, and metabolic strain. However, a direct causal effect of FTO on tiredness or low energy is not established. The evidence is mechanistic (FTO involved in energy homeostasis) and epidemiological (BMI association), but insufficient for individual fatigue prediction. A consumer DNA test like MyBody-X can indicate obesity predisposition, but cannot diagnose fatigue","sources":[],"title":"Evidence check: FTO in the context of Müdigkeit","url":"https://tikki.wiki/wissen/gesundheit/frage/public-c6959eb6bd657fbc304a6460/evidence-check-fto-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 'Fitness Vitality DNA' test is marketed to help optimize energy and fitness, but the scientific evidence linking it directly to fatigue is weak. Fatigue is multifactorial—sleep, stress, nutrition, hormones, and underlying medical conditions play far larger roles than single gene variants. The SNPs analyzed (e.g., in FTO or MTHFR) typically have small effect sizes and are insufficient to derive a personalized anti-fatigue strategy. Evidence for such direct-to-consumer tests is mostly marketing-driven; clinical validation studies are often lacking. At best, the test may serve as a nudge toward a healthier lifestyle, but it cannot replace medical evaluation for persistent tiredness. Beware of overpromises: results are not a medical diagnosis.","area":"gesundheit","canonical_id":"gesundheit:canonical-cd2cd39093e9e1d17daec7ff","id":"public-25b851d295bedebf09fb5e37","kind":"qa","language":"en","publication_status":"existing_native_answer_privacy_screened_sources_pending","question":"Evidence check: Fitness Vitality DNA in the context of fatigue","score":18.56146815,"snippet":"The 'Fitness Vitality DNA' test is marketed to help optimize energy and fitness, but the scientific evidence linking it directly to fatigue is weak. Fatigue is multifactorial—sleep, stress, nutrition, hormones, and underlying medical conditions play far larger roles than single gene variants. The SNPs analyzed (e.g., in FTO or MTHFR) typically have small effect sizes and are insufficient to derive a personalized anti-fatigue strategy. Evidence for such direct-to-consumer tests is mostly marketing-driven; clinical validation studies are often lacking. At best, the test may serve as a nudge toward a healthier lifestyle, but it cannot replace medical evaluation for persistent tiredness. Beware ","sources":[],"title":"Evidence check: Fitness Vitality DNA in the context of fatigue","url":"https://tikki.wiki/wissen/gesundheit/frage/public-25b851d295bedebf09fb5e37/evidence-check-fitness-vitality-dna-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 'Cardio Risk Check' or 'Herz-Kreislauf Risiko-Test' you mention is not directly addressed in the provided context. The available information covers individual genetic variants such as TCF7L2 (rs7903146) and FTO (rs9939609), which are associated with metabolic traits but not specifically with cardiovascular events or fatigue. Evidence for such polygenic risk scores is mostly population-based (GWAS) with small effect sizes (e.g., OR ~1.4 for TCF7L2). A direct link between this test and the symptom 'fatigue' is scientifically unsupported. Fatigue has numerous causes (sleep deprivation, stress, iron deficiency, thyroid dysfunction, psychological factors) that a DNA test cannot capture. The clinical utility of such tests for individual risk stratification or symptom explanation is questionable. Without specific studies linking the test to fatigue, the evidence must be rated as 'marketing' or 'unclear'. A proper fatigue workup should rely on established clinical parameters (blood count, inflammatory markers, sleep diary), not a genetic test.","area":"gesundheit","canonical_id":"gesundheit:canonical-bd08c3618b457cfc8b79edf2","id":"public-539382669f8e0d502963ec85","kind":"qa","language":"en","publication_status":"existing_native_answer_privacy_screened_sources_pending","question":"Evidence check: Cardio Risk Check | Herz-Kreislauf Risiko-Test in the context of fatigue","score":18.53308284,"snippet":"The 'Cardio Risk Check' or 'Herz-Kreislauf Risiko-Test' you mention is not directly addressed in the provided context. The available information covers individual genetic variants such as TCF7L2 (rs7903146) and FTO (rs9939609), which are associated with metabolic traits but not specifically with cardiovascular events or fatigue. Evidence for such polygenic risk scores is mostly population-based (GWAS) with small effect sizes (e.g., OR ~1.4 for TCF7L2). A direct link between this test and the symptom 'fatigue' is scientifically unsupported. Fatigue has numerous causes (sleep deprivation, stress, iron deficiency, thyroid dysfunction, psychological factors) that a DNA test cannot capture. The c","sources":[],"title":"Evidence check: Cardio Risk Check | Herz-Kreislauf Risiko-Test in the context of fatigue","url":"https://tikki.wiki/wissen/gesundheit/frage/public-539382669f8e0d502963ec85/evidence-check-cardio-risk-check-herz-kreislauf-risiko-test-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":"A DNA metabolism test, such as those offered by MyBody-X, analyzes genetic variants linked to energy metabolism, nutrient utilization, or detoxification. In the context of fatigue, the evidence is weak: most tested SNPs (e.g., in PPARG, MTHFR, FTO) have small effect sizes and are not specific to exhaustion. Fatigue is far more strongly influenced by sleep quality, stress, diet, exercise, and underlying medical conditions (e.g., anemia, thyroid disorders). Current studies do not demonstrate clinically relevant utility of such tests for diagnosing or managing fatigue. No randomized controlled trials show that genotype-based dietary advice outperforms standard lifestyle recommendations for reducing fatigue. Therefore, these tests should not replace medical evaluation. Persistent fatigue warrants a thorough clinical workup.","area":"gesundheit","canonical_id":"gesundheit:canonical-2f77ee702eae6e586bc1585d","id":"public-60b9db7300b8a458ad1c87eb","kind":"qa","language":"en","publication_status":"existing_native_answer_privacy_screened_sources_pending","question":"Evidence check: DNA Stoffwechseltest in the context of Müdigkeit","score":18.44353391,"snippet":"A DNA metabolism test, such as those offered by MyBody-X, analyzes genetic variants linked to energy metabolism, nutrient utilization, or detoxification. In the context of fatigue, the evidence is weak: most tested SNPs (e.g., in PPARG, MTHFR, FTO) have small effect sizes and are not specific to exhaustion. Fatigue is far more strongly influenced by sleep quality, stress, diet, exercise, and underlying medical conditions (e.g., anemia, thyroid disorders). Current studies do not demonstrate clinically relevant utility of such tests for diagnosing or managing fatigue. No randomized controlled trials show that genotype-based dietary advice outperforms standard lifestyle recommendations for redu","sources":[],"title":"Evidence check: DNA Stoffwechseltest in the context of Müdigkeit","url":"https://tikki.wiki/wissen/gesundheit/frage/public-60b9db7300b8a458ad1c87eb/evidence-check-dna-stoffwechseltest-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 combination of a 'WeightLoss Slim DNA' test with fatigue has weak scientific support. Such tests typically analyze single gene variants (e.g., FTO, MC4R, PPARG) associated with a small increased risk of obesity – effect sizes are tiny (GWAS p often >5e-8, beta <0.1). Fatigue is multifactorial: poor sleep, stress, iron deficiency, thyroid issues, vitamin D deficiency, or psychological factors. A DNA test cannot assess these. Evidence for personalized diet based on these genes is insufficient; randomized trials show little clinically meaningful benefit. MyBody-X tests are screening tools, not diagnostic. For persistent fatigue, seek medical evaluation (CBC, CRP, TSH, ferritin, vitamin D). The provided context (COMT, FADS1, CRP) does not support a direct link between weight-loss DNA and fatigue. Evidence rating: marketing/unclear.","area":"gesundheit","canonical_id":"gesundheit:canonical-e3a695da016a389d3df201a5","id":"public-55a4b4e0a9b4762dfac98a26","kind":"qa","language":"en","publication_status":"existing_native_answer_privacy_screened_sources_pending","question":"Evidence check: WeightLoss Slim DNA in the context of Müdigkeit","score":18.30378268,"snippet":"The combination of a 'WeightLoss Slim DNA' test with fatigue has weak scientific support. Such tests typically analyze single gene variants (e.g., FTO, MC4R, PPARG) associated with a small increased risk of obesity – effect sizes are tiny (GWAS p often >5e-8, beta <0.1). Fatigue is multifactorial: poor sleep, stress, iron deficiency, thyroid issues, vitamin D deficiency, or psychological factors. A DNA test cannot assess these. Evidence for personalized diet based on these genes is insufficient; randomized trials show little clinically meaningful benefit. MyBody-X tests are screening tools, not diagnostic. For persistent fatigue, seek medical evaluation (CBC, CRP, TSH, ferritin, vitamin D). ","sources":[],"title":"Evidence check: WeightLoss Slim DNA in the context of Müdigkeit","url":"https://tikki.wiki/wissen/gesundheit/frage/public-55a4b4e0a9b4762dfac98a26/evidence-check-weightloss-slim-dna-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 NutriCare or INFINITY DNA test from MyBody-X is marketed for fatigue, but the scientific evidence is weak. These direct-to-consumer nutrigenetic tests analyze gene variants linked to nutrient metabolism or energy pathways (e.g., MTHFR, FTO, COMT). However, effect sizes are small, and clinical relevance for everyday fatigue is unproven. Fatigue has many causes: poor sleep, stress, iron deficiency, thyroid issues, depression, or chronic infections. A DNA test alone cannot diagnose these. Evidence for personalized supplement recommendations from such tests is mostly marketing or mechanistic. Without blood work (e.g., ferritin, vitamin D, B12) and medical evaluation, the utility is questionable. Bottom line: The test may offer lifestyle inspiration but does not replace clinical diagnostics. If you suffer from persistent fatigue, consult a doctor first.","area":"gesundheit","canonical_id":"gesundheit:canonical-b2ec2c1ea6c6dcdffb7f5f33","id":"public-7ff5daf29403ea6f179375e7","kind":"qa","language":"en","publication_status":"existing_native_answer_privacy_screened_sources_pending","question":"Evidence check: NutriCare | INFINITY DNA-Test in the context of Müdigkeit","score":18.26840502,"snippet":"The NutriCare or INFINITY DNA test from MyBody-X is marketed for fatigue, but the scientific evidence is weak. These direct-to-consumer nutrigenetic tests analyze gene variants linked to nutrient metabolism or energy pathways (e.g., MTHFR, FTO, COMT). However, effect sizes are small, and clinical relevance for everyday fatigue is unproven. Fatigue has many causes: poor sleep, stress, iron deficiency, thyroid issues, depression, or chronic infections. A DNA test alone cannot diagnose these. Evidence for personalized supplement recommendations from such tests is mostly marketing or mechanistic. Without blood work (e.g., ferritin, vitamin D, B12) and medical evaluation, the utility is questiona","sources":[],"title":"Evidence check: NutriCare | INFINITY DNA-Test in the context of Müdigkeit","url":"https://tikki.wiki/wissen/gesundheit/frage/public-7ff5daf29403ea6f179375e7/evidence-check-nutricare-infinity-dna-test-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 context does not contain direct evidence linking a Fertility Check (Fruchtbarkeits-Test) to fatigue. Fertility tests typically assess hormones like AMH, FSH, LH, or genetic markers associated with reproductive health. Fatigue can be indirectly related to hormonal imbalances (e.g., thyroid function, prolactin) or nutrient deficiencies (iron, vitamin D, B12) that also affect fertility. The DNA snippets given (FTO, LCT, PPARA, rs10830963, FUT2) are not specific to a fertility check. Therefore, the evidence for a direct connection between fertility DNA tests and fatigue is unclear. Consumers should not rely solely on such tests to explain fatigue and should seek medical evaluation. The evidence level is based on general medical knowledge, not the provided sources.","area":"gesundheit","canonical_id":"gesundheit:canonical-78ba786c13ff2aaf2b142006","id":"public-08131a70df20ba5b1a091aba","kind":"qa","language":"en","publication_status":"existing_native_answer_privacy_screened_sources_pending","question":"How are Fertility Check | Fruchtbarkeits-Test and fatigue related?","score":18.00124458,"snippet":"The provided context does not contain direct evidence linking a Fertility Check (Fruchtbarkeits-Test) to fatigue. Fertility tests typically assess hormones like AMH, FSH, LH, or genetic markers associated with reproductive health. Fatigue can be indirectly related to hormonal imbalances (e.g., thyroid function, prolactin) or nutrient deficiencies (iron, vitamin D, B12) that also affect fertility. The DNA snippets given (FTO, LCT, PPARA, rs10830963, FUT2) are not specific to a fertility check. Therefore, the evidence for a direct connection between fertility DNA tests and fatigue is unclear. Consumers should not rely solely on such tests to explain fatigue and should seek medical evaluation. ","sources":[],"title":"How are Fertility Check | Fruchtbarkeits-Test and fatigue related?","url":"https://tikki.wiki/wissen/gesundheit/frage/public-08131a70df20ba5b1a091aba/how-are-fertility-check-fruchtbarkeits-test-and-fatigue-related/","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 question about which blood values to check for exhaustion and fatigue is common, but the answer depends on the clinical context. The provided context does not contain specific blood value recommendations; it focuses on DNA tests (e.g., FTO, MC4R, VDR) and a few nutrient tests (vitamin D, ferritin). These are of limited use for fatigue workup. In standard medical practice, persistent fatigue typically warrants: complete blood count (anemia?), ferritin (iron deficiency), vitamin B12, folate, vitamin D, TSH (thyroid), inflammatory markers (CRP), and possibly liver/kidney function. You should see a doctor if fatigue lasts more than two weeks, is accompanied by unexplained weight loss, fever, night sweats, or other concerning symptoms. Important: Direct-to-consumer tests (like MyBody-X) are not a substitute for clinical diagnosis. The evidence for DNA-based fatigue analysis is weak (GWAS/mechanistic). The listed blood markers, however, are well-established (evidence: practice/guidelines).","area":"gesundheit","canonical_id":"gesundheit:canonical-381c5551ed45474a57f559cb","id":"public-fc48e72196c49757f1057c2e","kind":"qa","language":"en","publication_status":"existing_native_answer_privacy_screened_sources_pending","question":"welche blutwerte bei erschöpfung und müdigkeit — when to see a doctor?","score":17.04708277,"snippet":"The question about which blood values to check for exhaustion and fatigue is common, but the answer depends on the clinical context. The provided context does not contain specific blood value recommendations; it focuses on DNA tests (e.g., FTO, MC4R, VDR) and a few nutrient tests (vitamin D, ferritin). These are of limited use for fatigue workup. In standard medical practice, persistent fatigue typically warrants: complete blood count (anemia?), ferritin (iron deficiency), vitamin B12, folate, vitamin D, TSH (thyroid), inflammatory markers (CRP), and possibly liver/kidney function. You should see a doctor if fatigue lasts more than two weeks, is accompanied by unexplained weight loss, fever,","sources":[],"title":"welche blutwerte bei erschöpfung und müdigkeit — when to see a doctor?","url":"https://tikki.wiki/wissen/gesundheit/frage/public-fc48e72196c49757f1057c2e/welche-blutwerte-bei-erschoepfung-und-muedigkeit-when-to-see-a-doctor/","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":"When monitoring insulin and fatigue, watch for blood glucose fluctuations (postprandial spikes or reactive hypoglycemia), insulin resistance (HOMA-IR >2.5), and high-glycemic meals. The FTO risk variant has a small effect on BMI (~0.3 kg/m² per allele) and does not justify a low-fat diet alone. Poor sleep elevates cortisol, worsening insulin resistance and fatigue. If on insulin or sulfonylureas, check for hypoglycemia during fatigue episodes. Also rule out hypothyroidism, anemia, and vitamin D deficiency. The provided context lacks direct evidence linking insulin and fatigue; this answer is based on general medical knowledge. Consult a physician for fasting insulin, glucose, HbA1c, and thyroid panel.","area":"gesundheit","canonical_id":"gesundheit:canonical-9027f1fe5bc9062a0fd96420","id":"public-a34bba505ed105ab6e6ef64b","kind":"qa","language":"en","publication_status":"existing_native_answer_privacy_screened_sources_pending","question":"What to watch with Insulin and Müdigkeit?","score":16.98544404,"snippet":"When monitoring insulin and fatigue, watch for blood glucose fluctuations (postprandial spikes or reactive hypoglycemia), insulin resistance (HOMA-IR >2.5), and high-glycemic meals. The FTO risk variant has a small effect on BMI (~0.3 kg/m² per allele) and does not justify a low-fat diet alone. Poor sleep elevates cortisol, worsening insulin resistance and fatigue. If on insulin or sulfonylureas, check for hypoglycemia during fatigue episodes. Also rule out hypothyroidism, anemia, and vitamin D deficiency. The provided context lacks direct evidence linking insulin and fatigue; this answer is based on general medical knowledge. Consult a physician for fasting insulin, glucose, HbA1c, and thyr","sources":[],"title":"What to watch with Insulin and Müdigkeit?","url":"https://tikki.wiki/wissen/gesundheit/frage/public-a34bba505ed105ab6e6ef64b/what-to-watch-with-insulin-and-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"}}],"schema_version":"tikki.search-response.v1"}