Amid ongoing health concerns, President Joe Biden made his first public appearance after withdrawing from the 2024 presidential race.

Biden was seen boarding Air Force One on his way to Washington, D.C., ahead of a planned public address following his COVID-19 recovery and amid continued concerns about his cognitive health, as Fox News reports.

On July 17, President Biden tested positive for COVID-19, raising concerns due to his advanced age.

Shortly after his diagnosis, Biden commenced treatment with Paxlovid, completing his 10th dose by July 22, according to his physician Dr. Kevin C. O'Connor, who reported on Monday that Biden's symptoms had "almost resolved completely."

Biden's First Public Sighting After COVID-19 Recovery

After his period of isolation and recovery, Biden was spotted for the first time in public as he prepared to board Air Force One in Delaware Tuesday afternoon.

Wearing a mask, he acknowledged onlookers with a thumbs-up and a salute before boarding the plane, signaling his improved health.

Biden's return to the public eye is not just a testament to his physical recovery but also marks a critical moment as he addresses the nation in a speech scheduled for Wednesday night in Washington, D.C.

Concerns Over Biden's Cognitive Health

Concerns about President Biden's cognitive abilities have intensified recently. Following a notably troubled performance at the presidential debate on June 27, an appearance after which Dr. Brett Osborn highlighted Biden's "unclear train of thought and lack of coherence," the concerns grew. These cognitive issues were further spotlighted by Biden's July 21 announcement to end his re-election campaign.

Dr. Osborn and other medical professionals have suggested that Biden's cognitive decline could be associated with his previous brain aneurysm surgeries and may have been exacerbated by the stress of the presidential campaign. These issues could also be worsened by the long-term effects of COVID-19, which include potential impacts on memory, attention, and executive function.

Medical Perspectives on Biden's Health and Future

Despite the challenges, Biden's actions -- such as his confident ascent up the stairs of Air Force One noted by Dr. Marc Siegel, who also found it "strange that he didn't say hello to anyone" -- reflect an effort to maintain a semblance of normalcy. Dr. Siegel also expressed concerns about Biden's cognitive and physical health, emphasizing their importance for presidential duties.

Dr. Osborn stated, "President Biden lacks the mental sharpness required for the highest office in the land, especially amid current national and international crises," highlighting the gravity of the situation.

The Impact of Long COVID on Cognitive Health

Long COVID's potential to affect neurological conditions is particularly concerning for someone of Biden's profile, who has already faced significant health challenges. "Post-COVID syndromes and long COVID have been shown to affect underlying neurological conditions," warned Dr. Siegel.

These effects, as noted by Osborn, can impair critical cognitive functions such as memory and attention, which are essential for effective leadership.

The Decision to Withdraw from Presidential Race

As President Biden prepares to address the nation, his recent decision to step down from the presidential race looms large. Dr. Osborn believes this decision was prudent, allowing Biden to "prioritize his health and potentially mitigate further cognitive decline."

This step also ensures that the presidential responsibilities can be managed by someone "fully capable of handling the demanding responsibilities of the position," according to Osborn.

Future Implications for U.S. Leadership

The implications of President Biden's health on U.S. leadership are profound. Ensuring a leader's cognitive and physical wellness is crucial, as it directly impacts their capacity to manage national and international affairs effectively.

Dr. Siegel's advice to "admit to what they know and reveal full neurological results" underscores the need for transparency in health disclosures, a sentiment echoed by many in the medical community.

In conclusion, as President Biden resumes his duties and prepares for his upcoming speech, the focus remains on his health and ability to lead. His recent public appearance, following his decision to withdraw from the presidential race, underscores the significant challenges and considerations that come with holding the highest office in the land, especially under the scrutiny of ongoing health concerns.