Watch For Yourself: Biden Jokes About Doctors Checking ‘If He Has A Brain’ — Except No One’s Laughing

OPINION | This article contains commentary that reflects the author's opinion.

There are serious questions swirling about President Biden’s mental capacity to serve in the Oval Office. First Lady Jill Biden recently admitted that her husband will never take a mental capacity test despite numerous mental lapses in public.

Many Americans, including former Obama White House physician Dr. Ronny Jackson, have argued that Biden is suffering from “age-related dementia” and is not “mentally fit” to serve as president.

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During recent remarks, Biden attempted to joke about doctors checking to see if he has a brain, but it quickly backfired as no one is really laughing.

“I was diagnosed with having a — anyway — they had to take the top of my head off a couple times to see if I had a brain,” Biden mumbled in another hardly coherent speech. WATCH:

Jill Biden shot back by saying a mental capacity test is “ridiculous.” This blatant rejection proves how out-of-touch the Biden administration is.

“We would never even discuss something like that,” Jill Biden said about internal discussions with her husband.

First Lady Jill Biden shot down questions about her husband’s mental fitness. To defend him, she argued that 30 year olds couldn’t handle the physical demands like President Biden.

“How many 30-year-olds could travel to Poland, get on the train? Go nine more hours, go to Ukraine, meet with President (Volodymyr) Zelensky?” she responded rhetorically.

“So, look at the man. Look at what he’s doing. Look at what he continues to do each and every day,” she added.

A Fox News Poll conducted in late February found 77% of Americans favor requiring such tests.

83% of millennials, 84% of GenXers, and 66% of Baby Boomers support the idea.

87% of Republicans, 74% of Independents and 67% of Democrats surveyed favor the mental capacity tests.

A recent NBC poll found that only 31% of Americans believe Biden is competent and effective as president.

28% said he has the necessary mental and physical health to be president.

Biden, who is the oldest president in U.S. history at age 80, has been widely criticized for not being physically and mentally fit for the job.