Joy Behar, a co-panelist on ABC's "The View," on Thursday defended the idea of former Vice President Joe Biden running against President Trump even in his mid-70s, by saying she is Biden's age and could run if she wanted.

"I will turn myself in, I am Joe Biden’s age. I will not say the number, it gives me vertigo, but I am Joe Biden’s age. I could run for president. I’m perfectly healthy. My brain is working," Behar said during Thursday's episode.

Co-host Sunny Hostin added Behar also had "incredible stamina."

"I have great stamina. I’m good," Behar agreed.

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Biden, 75, last week sought to downplay speculation regarding his presidential ambitions "at this point" during a speaking engagement in London. But the longtime senator told "CBS This Morning," in an interview that aired Thursday, that age is a "legitimate" concern for voters.

"If I were to run I think they would judge me on my vitality," Biden said. "Can I still run up the steps of Air Force Two? Am I still in good shape? Do I have all my faculties? Am I energetic? I think it's totally legitimate that people ask those questions."

Biden was the clear front-runner last week among possible Democratic 2020 presidential candidates, including Sen. Elizabeth Warren, D-Mass., and controversial lawyer Michael Avenatti, according to a poll conducted by CNN and SSRS. Researchers surveyed 464 Democrats and Democratic-leaning independents in October for findings with a margin of error of plus or minus 3.8 percentage points.