Itachi gasped. There were others, other Uchiha that had the same condition, even if they were originally from another universe. The fact that he was offering solutions to the other things that had been plaguing him paled in comparison to that.

"Are... are you sure?" he stuttered in surprise, trying his best to still keep his voice down. "They really had... something like this?"

A similar condition that affected the small blood vessels of the body, an autoimmune disorder with such a widespread inflammatory response... Could there really have been some kind of genetic predisposition to it? It certainly couldn't have affected all Uchiha, or his disease wouldn't have been such a mystery, especially after encountering dozens of Uchiha from other timelines. It had to be only a small handful... but that alone was frightening. More importantly, was Sasuke at risk? Were any of the Sasukes at risk? And what of Madara?

"What do you know... about it so far?"