Donald Trump is once again at the centre of a storm over his health, with fresh footage of apparent right-arm spasms and increasingly noticeable speech difficulties fuelling calls from critics for the 80-year-old president to step away from the political spotlight.
The latest controversy follows a video analysis by clinical and forensic psychologist Dr John Paul Garrison, who examined several recent Trump appearances and argued that the president appears to be struggling with involuntary movements and verbal fluency.
