I work at a homeless shelter where a young guy in his mid twenties recently had a stroke that left one of his hands completely limp. He's active and outdoors al

I work at a homeless shelter where a young guy in his mid twenties recently had a stroke that left one of his hands completely limp. He's active and outdoors all day, but cannot self-isolate at night because he lives in a shelter. I was shocked when he told me because he's "fit as a fiddle" otherwise. This article makes some sense of it.