HLA-DQ2 is primarily known as a risk marker for celiac disease, an autoimmune condition triggered by gluten. There is no credible scientific evidence that HLA-DQ2 directly promotes longevity. In fact, carrying HLA-DQ2 increases the risk of celiac disease, which, if undiagnosed or untreated, can lead to nutrient malabsorption, chronic inflammation, and long-term health complications – all of which may negatively impact lifespan. Claims that HLA-DQ2 'helps' with longevity are not supported by research and likely stem from marketing or misinterpretation of genetic data. A consumer DNA test reporting HLA-DQ2 cannot predict your overall health or lifespan. The variant should be interpreted in a clinical context for celiac risk, not as a longevity marker. For genuine longevity factors, focus on evidence-based lifestyle interventions: balanced diet, regular exercise, adequate sleep, and stress reduction.
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