A person with bipolar disorder isn't different in that. However, in addition to those things, the biggest thing is that they need to not be treated like they're defined by their disease. Just because it's mental doesn't mean they're a broken person, and that needs to be respected. (Source)
Shouldn't it be they're instead of it's / it is? I don't know what it here refers to. But if it refers to those who are suffering then it must be they're, not it is.