President Obama’s former campaign manager on Tuesday took shots at Republican presidential nominee Donald Trump Donald John TrumpBubba Wallace to be driver of Michael Jordan, Denny Hamlin NASCAR team Graham: GOP will confirm Trump's Supreme Court nominee before the election Southwest Airlines, unions call for six-month extension of government aid MORE’s weight.

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Defending Democratic nominee Hillary Clinton Hillary Diane Rodham ClintonJoe Biden looks to expand election battleground into Trump country Biden leads Trump by 12 points among Catholic voters: poll The Hill's Campaign Report: Biden goes on offense MORE's health, David Plouffe said Trump could have some health problems of his own that he hasn't revealed.

“Let’s talk about medical records, by the way,” Plouffe told host Chuck Todd on MSNBC’s “MTP Daily.”

“Here’s Trump — you know, ‘Dr. Feel Good’ put out a one-page letter,” he added, referencing a letter from Trump’s longtime doctor that claims Trump would be the healthiest person ever elected president.

“He’s 70. He’s the heaviest president we’ve had, candidate we’ve had, since William Taft. There’s a legitimate issue.”

Candidate health has taken center stage in the presidential campaign since Clinton nearly collapsed while leaving a Sept. 11 memorial early over the weekend. Videos showed Clinton wobbling as she was helped into a van.

Clinton’s doctor revealed late Sunday the former secretary of State had been diagnosed with pneumonia.

Plouffe said Clinton’s campaign could have handled her illness better but said it would not influence voters.

“Had Sunday morning gone a little bit differently, even taking away the issue of whether they should have said something Friday, I think we’d be in a different place,” said Plouffe.

“Again, I don’t think there’s a single voter in America who’s going to cast a different vote based on this. I really don’t.”