MSNBC's Mika Brzezinski wants to know what a mental health professional thinks about Republican presidential nominee Donald Trump Donald John TrumpBiden leads Trump by 36 points nationally among Latinos: poll Trump dismisses climate change role in fires, says Newsom needs to manage forest better Jimmy Kimmel hits Trump for rallies while hosting Emmy Awards MORE.

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She said Monday on "Morning Joe" that "it's time to hear from somebody in the mental health community, to look at this person who has been on television for months and give us a sense of what we have going on here."

"And, I'm sorry, let's just not, let’s stop pretending we're dealing with someone who we can completely understand," Brzezinski added.

"And when you see someone who you think has problems, you know it. And there's not anybody at this table who doesn't think he has some sort of problem. Let's ask the questions. Let's do this at this point."

Her co-host, Joe Scarborough, said psychiatrists can't come on and diagnose someone. But Brzezinski explained they could look at character traits that are being shown repeatedly.

Brzezinski also said mental health shouldn't be something that's "in the shadows."

"Mental health is just like diabetes, or any other physical health. This is not something that I'm making a joke about. I'm very serious," she said.

"And I've been asked hundreds of times and so have you."

She said they could "ask someone very high in the mental health community about traits we have seen repeatedly over time," clarifying that she wasn't calling for a mental health professional to make a diagnosis on-air.

"That is never what I meant when we had this conversation. But at this point I have been asked so many times that I think it's worth asking someone in the mental health community ... are these signs of something that perhaps could lead to a diagnosis?" she said.

"We've seen enough of him. It's repetitive. It's consistent."

The comments come amid an escalating feud between the GOP nominee and the "Morning Joe" hosts. Trump recently called on Brzezinski to apologize to one of his supporters for the way she treated him during an interview last week on the show.