Yes, so another umbrella diagnosis that can have 100s different reasons with the same outward symptoms. Like some people with pellagra exhibiting the same symptoms but when their nutrition improves long-term, they get completely cured from it. I only remember some Harvard/Stanford or similar article in the past five years about deleted cells because of a genetic defect akin to off-by-one error in programs.

https://www.sciencedirect.com/science/article/pii/S003331827...