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The Hypermobile Ehlers-Danlos Genetic Evaluation (HEDGE) study was initiated by The Ehlers-Danlos Society to examine the genes of over 1000 particpants around the world who have hEDS or HSD (Hypermobility Spectrum Disorders). It is the most extensive study involving over 85 counties with an aim to find a genetic cause of hEDS. An October 2025…