Joe Biden's health: Leadership ability questions mount as Oval Office speech gave no reason for exiting race

Experts agreed that the high-pressure nature of the presidency could pose “significant health risks" for Joe Biden, who has recently displayed signs of cognitive challenges.

"Prolonged exposure to high cortisol levels can accelerate the deterioration of brain regions." The high-pressure job has been known to have physical ramifications, said one neurologist. "President Biden should be given full treatment and support that's honest and transparent, as the remainder of his term plays out." "The potential health risks associated with continuing in such a high-pressure role cannot be ignored." Melissa Rudy is senior health editor and a member of the lifestyle team at Fox News Digital. Story tips can be sent to melissa.rudy@fox.com.

Dr. Kevin O’Connor, Biden’s personal physician, told reporters on Thursday that Biden’s health and mental cognition were both "excellent," yet some experts have been expressing concerns that remaining in office could take a physical and mental toll on the president.