Democratic presidential candidate Bernie Sanders doesn't make much of the fact that he'd be the oldest person elected president in U.S. history if he wins in November. The U.S. senator from Vermont was questioned about his age at CNN's Democratic town hall event on Monday.

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Sanders would be 75 by the time his inauguration would occur — six years older than President Ronald Reagan, who became the oldest person to take office when he was elected at 69. By contrast, the Democratic frontrunner, Hillary Clinton, would be the second oldest president-elect, at age 69.

CNN anchor Chris Cuomo pressed the candidate on the age issue, which has been a recurring talking point among Sanders' critics who argue that his old age makes him a liability. In response, Sanders said that he was in good health and that he'd release his medical records before the Iowa caucus on February 1, assuring voters that they wouldn't find anything out of the ordinary.

David Brock, the founder of the Correct the Record, the pro-Hillary Clinton super-PAC , raised questions about Sanders' age in an interview with Bloomberg last week.

"It’s usual [to release medical records] for all candidates in the presidential, particularly someone who’s doing well and becoming a top-tier candidate," Brock said. "And look, they said they were gonna do it, so clearly I was on the right path."

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On Sunday, Sanders joked on CNN's State of the Union that his campaign plans to release the records in "the same way that Secretary Clinton has gotten her records out," referring to his opponent's email scandal. "It is not a problem," he said.

Between questions about his age and athleticism, the prospect of a Sanders presidency appears to have pushed practical concerns, including those about the candidate's health, into the spotlight.