{"count":2,"index":{"built_at":"2026-07-27T05:09:59.951659+00:00","public_records":55311,"revision":"081a1ec7ff94ce2ca6ca3bee"},"query":{"area":null,"kind":null,"lang":null,"limit":10,"match_mode":"all_terms","q":"Lay opinion vs evidence: Vitamin D Männer"},"results":[{"answer":"Lay opinion often overstates vitamin D's benefits for men, claiming it boosts testosterone and prevents cancer. Evidence is more nuanced. For bone health, vitamin D is strongly supported when deficiency exists (human-strong). For testosterone, meta-analyses show only minor, clinically insignificant effects. Immune modulation is complex – deficiency increases infection risk, but supplementation without deficiency shows no clear benefit. DTC tests (e.g., MyBody-X) lack clinical validation for diagnosis. Evidence for general high-dose supplementation in healthy men is weak to moderate. Safety: vitamin D is fat-soluble; overdose can cause hypercalcemia. Conclusion: supplement only if deficiency is confirmed via lab testing, not based on lay assumptions or direct-to-consumer genetic tests.","area":"gesundheit","canonical_id":"gesundheit:canonical-749be8fb61e2980041193b12","id":"public-06afa9040fe179788ab8222a","kind":"qa","language":"en","publication_status":"existing_native_answer_privacy_screened_sources_pending","question":"Lay opinion vs evidence: Vitamin D Männer","score":38.81386914,"snippet":"Lay opinion often overstates vitamin D's benefits for men, claiming it boosts testosterone and prevents cancer. Evidence is more nuanced. For bone health, vitamin D is strongly supported when deficiency exists (human-strong). For testosterone, meta-analyses show only minor, clinically insignificant effects. Immune modulation is complex – deficiency increases infection risk, but supplementation without deficiency shows no clear benefit. DTC tests (e.g., MyBody-X) lack clinical validation for diagnosis. Evidence for general high-dose supplementation in healthy men is weak to moderate. Safety: vitamin D is fat-soluble; overdose can cause hypercalcemia. Conclusion: supplement only if deficiency ","sources":[],"title":"Lay opinion vs evidence: Vitamin D Männer","url":"https://tikki.wiki/wissen/gesundheit/frage/public-06afa9040fe179788ab8222a/lay-opinion-vs-evidence-vitamin-d-maenner/","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 tests marketed to men often claim to predict athletic performance, male pattern baldness, or prostate cancer risk. While some associations are scientifically supported—for example, androgenetic alopecia has well-replicated SNPs in the AR and EDA2R genes—the effect sizes are small and predictive value limited. For complex traits like muscle gain or stress resilience, heritability is polygenic and heavily modulated by lifestyle, diet, and training. Direct-to-consumer tests rarely provide clinical-grade risk estimates; many lack replication in diverse populations. The evidence level for most claims is 'human-moderate' at best, with some being purely mechanistic or marketing-driven. Men should interpret results as exploratory, not diagnostic. A more evidence-based approach includes measuring actual biomarkers (e.g., CRP, vitamin D, testosterone) and focusing on modifiable factors like sleep, nutrition, and exercise rather than single SNPs.","area":"gesundheit","canonical_id":"gesundheit:canonical-a71498114c6a8f9e9fae141a","id":"public-9a272953da90d55505648cfe","kind":"qa","language":"en","publication_status":"existing_native_answer_privacy_screened_sources_pending","question":"Lay opinion vs evidence: DNA Test Männer","score":37.48429506,"snippet":"DNA tests marketed to men often claim to predict athletic performance, male pattern baldness, or prostate cancer risk. While some associations are scientifically supported—for example, androgenetic alopecia has well-replicated SNPs in the AR and EDA2R genes—the effect sizes are small and predictive value limited. For complex traits like muscle gain or stress resilience, heritability is polygenic and heavily modulated by lifestyle, diet, and training. Direct-to-consumer tests rarely provide clinical-grade risk estimates; many lack replication in diverse populations. The evidence level for most claims is 'human-moderate' at best, with some being purely mechanistic or marketing-driven. Men shou","sources":[],"title":"Lay opinion vs evidence: DNA Test Männer","url":"https://tikki.wiki/wissen/gesundheit/frage/public-9a272953da90d55505648cfe/lay-opinion-vs-evidence-dna-test-maenner/","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"}