In a world where political endurance is often measured by the sharpness of a candidate's tongue, the question of mental agility has moved from the doctor's surgery to the very centre of the global stage. Donald Trump, never one to shy away from a public boast, has once again thrust the issue of neurological health into the spotlight.
During a recent press conference on Jan. 6, 2026 — held at the recently rebranded 'Trump Kennedy Center' — the 79-year-old president didn't just defend his own mental fitness; he turned the requirement for cognitive testing into a political ultimatum for his rivals.
