Why Do Transgender People Report Hypermobile Joints?

Published: March 25, 2023, 8:32 a.m.

https://astralcodexten.substack.com/p/why-do-transgender-people-report

[Related: Why Are Transgender People Immune To Optical Illusions?]

I.

Ehlers-Danlos syndrome is a category of connective tissue disorder; it usually involves stretchy skin and loose, hypermobile joints.

For a few years now, doctors who work with transgender people have commented on an apparently high rate of EDS in this population. For example, Dr. Will Powers, who specializes in hormone therapy, wrote about how he \u201ccan\u2019t ignore anymore\u201d that \u201csome sort of hypermobility issue or flat out EDS shows up WAY WAY more than it statistically should\u201d in his transgender patients.

Najafian et al finally counted the incidence in 1363 patients at their gender affirmation surgery (ie sex change) clinic, and found that \u201cthe prevalence of EDS diagnosis in our patient population is 132 times the highest reported prevalence in the general population\u201d.

Coming from the other direction, Jones et al, a group of doctors who treat joint disorders in adolescents, found that \u201c17% of the EDS population in our multidisciplinary clinic self-report as [transgender and gender-diverse], which is dramatically higher than the national average of 1.3%\u201d

Why should this be? I know of four and a half theories: