Ben Carson on Wednesday refrained from offering his take on Democratic presidential nominee Hillary ClintonHillary Diane Rodham ClintonTrump takes aim at media after 'hereby' ordering US businesses out of China Trump knocks news of CNN hiring ex-FBI official McCabe Taylor Swift says Trump is 'gaslighting the American public' MORE’s health, saying instead that "elderly" candidates should "disclose their full medical history."

“As a physician, physicians and scientists will generally not make diagnoses on things they see from a distance,” he said on MSNBC’s “Morning Joe.”

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Carson, a retired neurosurgeon and former Republican presidential candidate, said both Clinton and GOP presidential nominee Donald TrumpDonald John TrumpDavid Axelrod after Ginsburg cancer treatment: Supreme Court vacancy could 'tear this country apart' EU says it will 'respond in kind' if US slaps tariffs on France Ginsburg again leaves Supreme Court with an uncertain future MORE should detail their medical histories due to their age.

“I think that somebody who is running for president of the United States, particularly if they’re elderly, and that would include both candidates, should disclose their full medical history,” said Carson, who backs Trump.

“It’s common sense,” Carson added. "As people get older, things begin to happen to them. [Being president] is a very stressful job. It is a 24/7 job, and every candidate should be held to the same standard.”

Asked if Donald Trump should be held to the same standard, Carson said, "Absolutely."

Clinton late Monday joked about conspiracy theories concerning her health during an interview with comedian Jimmy Kimmel.

“Back in October, The National Enquirer said I’d be dead in six months. So with every breath I take I feel like it’s a new lease on life,” she said.

“I think, on the one hand, it is part of the wacky strategy,” Clinton added of critics questioning her health. "Just say all these crazy things and maybe you’ll get some people to believe you.”

Trump spokeswoman Katrina Pierson suggested last week that Clinton suffers from dysphasia, a condition brought on by brain trauma that impairs communication.

Trump, meanwhile, has frequently accused Clinton of lacking the physical stamina needed for the rigors of the presidency.