With recent public appearances prompting concerns for the US president’s health, here’s what the experts think Was it the way President Joe Biden confused the Ukraine and Iraq wars twice in 24 hours, claiming “Putin is losing the war in Iraq”, that had the world worrying about his health again? Or the horizontal indentations on both sides of the 80-year-old president’s face, on show as he left the White House this week, which revealed he had slept wearing an air mask - a device to ease sleep apnea?