Ehlers Danlos syndrome MEpedia ADHD. Depression. MCAS. POTS. Ehlers Danlos Hypermobility. Histamine intolerance. Chronic fatigue. [Name your thing here] that moves around and comes back and maybe has a new name every few years depending on Ehlers Danlos Syndrome stretching disorder of connective tissue. A Sufferer & patient Gary Stretch working at the Circus of Horrors, STOCKTON, UK Stock Photo Alamy Could a vitamin deficiency cause 'double jointedness' and hypermobile Ehlers Danlos syndrome? What is HSD? The Ehlers Danlos Society EhlersDanlos Syndrome Associated with Glycosaminoglycan Abnormalities Springer Nature Link