Ehlers Danlos syndrome (EDS) is a group of 13 related genetic (heritable) connective tissue disorders. EDS, particularly the hypermobile type (hEDS), frequently overlaps with Postural Orthostatic Tachycardia Syndrome (POTS) and Mast Cell Activation Understanding Ehlers Danlos Syndrome (EDS): Signs and Treatments : Alpenglow Pain & Wellness: Board Certified Interventional Pain Management Physicians Collagen Supplements for Ehlers Danlos Syndrome and Hypermobility The EhlersDanlos syndromes Nature Reviews Disease Primers Ehlers Danlos syndrome: Video, Causes, & Meaning Osmosis Collagen Supplements for Ehlers Danlos Syndrome and Hypermobility