Donald Trump Donald John TrumpBiden on Trump's refusal to commit to peaceful transfer of power: 'What country are we in?' Romney: 'Unthinkable and unacceptable' to not commit to peaceful transition of power Two Louisville police officers shot amid Breonna Taylor grand jury protests MORE’s personal doctor said he’s not worried about the president-elect’s health once he takes office.

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Dr. Harold Bornstein, who has treated Trump since 1980, said in an interview with Stat News that he hadn’t even realized Trump, who is 70, would be the oldest president to take office.

“If something happens to him, then it happens to him,” Bornstein said. “It’s like all the rest of us, no? That’s why we have a vice president and a Speaker of the House and a whole line of people."

"They can just keep dying.”

Prior to Trump, Ronald Reagan was the oldest elected president — he took office in 1981 at the age of 69.

Bornstein suggested no one was aware of Reagan's declining health in office.

“Ronald Reagan had pre-senile dementia. I mean, seriously, did they share that one with you, or did Nancy just cover it up?" he said.

Bornstein previously said that Trump would be the healthiest person ever elected.

"If elected, Mr. Trump, I can state unequivocally, will be the healthiest individual ever elected to the presidency," Bornstein said in a statement released last December by Trump’s presidential campaign.

He told Stat News that the president-elect isn’t “an old man the way my grandfather was an old man.”

However, he added that Democratic nominee Hillary Clinton Hillary Diane Rodham ClintonDemocratic groups using Bloomberg money to launch M in Spanish language ads in Florida The Hill's Campaign Report: Presidential polls tighten weeks out from Election Day More than 50 Latino faith leaders endorse Biden MORE is “an old lady.”

Bornstein also noted that he didn’t know if he’d continue to treat the president-elect once he takes office.