Evidence check: Cardio Risk Check | Herz-Kreislauf Risiko-Test in the context of Haut

The query concerns a 'Cardio Risk Check' (cardiovascular risk test) in the context of 'skin'. The provided context does not contain direct evidence for such a test. Fragments (MELK gene, TRH gene, lactose intolerance, iron/ferritin self-test) are only loosely related to cardiovascular risk. The MELK gene note on vitamin K epoxide reductase is mechanistic and unclear; the TRH gene entry involves the thyroid axis, which can indirectly affect the cardiovascular system but is not a risk screening tool. The iron/ferritin test is a lifestyle product without cardiovascular validation. Skin signs such as xanthelasmas or arcus lipoides corneae are clinical markers of lipid disorders but are not typically assessed by DTC genetic tests. The evidence for a 'Cardio Risk Check' as a skin-related test is weak and based on mechanistic assumptions. Consumers should not rely on such tests for medical decisions; a clinical lipid panel and physician risk assessment are necessary.