{"count":2,"index":{"built_at":"2026-07-27T22:51:40.943668+00:00","public_records":55311,"revision":"bc60aeb51dd4061d6b2f5cbc"},"query":{"area":null,"kind":null,"lang":null,"limit":10,"match_mode":"all_terms","q":"Evidence check: MC4R in the context of Haut"},"results":[{"answer":"MC4R (melanocortin 4 receptor) is a key regulator of energy balance and is strongly associated with obesity. The variant rs17782313 (near MC4R) has been repeatedly linked to higher BMI and increased appetite in GWAS. In the context of skin, the evidence is much weaker: mechanistic studies suggest melanocortins may influence sebum production and inflammatory responses in sebaceous glands, but robust human data are lacking. Some studies propose a link between MC4R variants and acne, but effect sizes are small and findings inconsistent. Consumer DNA tests that market MC4R as a 'skin gene' typically overstate its clinical relevance. For skin health, factors such as UV exposure, skincare routines, diet, and other genes (e.g., FLG, MC1R) are far better supported. A standalone MC4R analysis does not provide meaningful skin risk assessment. Evidence grade: GWAS for obesity, mechanistic/unclear for skin. Sources: no specific PMIDs in the provided context.","area":"gesundheit","canonical_id":"gesundheit:canonical-2576e4a022e6e421c5173f24","id":"public-f8192dbdb44a595facd14c55","kind":"qa","language":"en","publication_status":"existing_native_answer_privacy_screened_sources_pending","question":"Evidence check: MC4R in the context of Haut","score":21.42889185,"snippet":"MC4R (melanocortin 4 receptor) is a key regulator of energy balance and is strongly associated with obesity. The variant rs17782313 (near MC4R) has been repeatedly linked to higher BMI and increased appetite in GWAS. In the context of skin, the evidence is much weaker: mechanistic studies suggest melanocortins may influence sebum production and inflammatory responses in sebaceous glands, but robust human data are lacking. Some studies propose a link between MC4R variants and acne, but effect sizes are small and findings inconsistent. Consumer DNA tests that market MC4R as a 'skin gene' typically overstate its clinical relevance. For skin health, factors such as UV exposure, skincare routines","sources":[],"title":"Evidence check: MC4R in the context of Haut","url":"https://tikki.wiki/wissen/gesundheit/frage/public-f8192dbdb44a595facd14c55/evidence-check-mc4r-in-the-context-of-haut/","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 of a 'WeightLoss Slim DNA' test in the context of skin is not scientifically supported. Such tests typically analyze genes associated with metabolism, appetite, or fat distribution (e.g., FTO, MC4R, PPARG). Evidence for a direct link to skin health (collagen, elasticity, wrinkling) is virtually absent. Skin aging and quality are primarily determined by UV exposure, diet, hydration, hormones, and lifestyle – not by 'weight loss' SNPs. Even the association between weight-loss genetics and actual dietary success is weak and not clinically relevant. A DNA test cannot provide personalized recommendations for skin improvement through weight loss. Claims from such tests are often exaggerated, based on mechanistic hypotheses without confirmation in human studies. Consumers should be skeptical and instead rely on evidence-based measures like balanced nutrition, sun protection, and skincare.","area":"gesundheit","canonical_id":"gesundheit:canonical-c323ea502d1e7c531afb63d4","id":"public-03715c01adfc2d089d1371cb","kind":"qa","language":"en","publication_status":"existing_native_answer_privacy_screened_sources_pending","question":"Evidence check: WeightLoss Slim DNA in the context of Haut","score":19.67231972,"snippet":"The question of a 'WeightLoss Slim DNA' test in the context of skin is not scientifically supported. Such tests typically analyze genes associated with metabolism, appetite, or fat distribution (e.g., FTO, MC4R, PPARG). Evidence for a direct link to skin health (collagen, elasticity, wrinkling) is virtually absent. Skin aging and quality are primarily determined by UV exposure, diet, hydration, hormones, and lifestyle – not by 'weight loss' SNPs. Even the association between weight-loss genetics and actual dietary success is weak and not clinically relevant. A DNA test cannot provide personalized recommendations for skin improvement through weight loss. Claims from such tests are often exagg","sources":[],"title":"Evidence check: WeightLoss Slim DNA in the context of Haut","url":"https://tikki.wiki/wissen/gesundheit/frage/public-03715c01adfc2d089d1371cb/evidence-check-weightloss-slim-dna-in-the-context-of-haut/","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"}