He has Werner Syndrome. It’s a form of progeria that gets much more pronounced in young adulthood. It’s not the kind of progeria that Adalia Rose and Tsimfuckis had- that was Hutchinson-Gilford syndrome.
Basically he’ll look like he’s 80 when he is 40. Also at a higher risk for all kinds of health problems ranging from cataracts to cancer to heart disease.
A lot of these disorders come with a high risk for other problems; it’s not exactly a coincidence that he also has the triple threat of autism, schizophrenia,
and bipolar.