This question is asked a lot but has little practical relation to how things actually work. Even your list is extremely broad - really, you have to ask if we'd take someone with Down's Syndrome?

In reality, I don't see that we even have to go so far as to consider the "disorder" given that those with behavioral issues weed themselves out pretty readily.
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"The devil I'll bring you," answered Hagen. "I have enough to carry with my shield and breastplate; my helm is bright, the sword is in my hand, therefore I bring you naught."