Donald Trump's latest birthday celebrations at the White House have prompted a fresh wave of online scrutiny, with viewers honing in on his arm movements and visible bruising. Images and clips from the event quickly spread across social media, fuelling renewed speculation about the US president's health and sparking debate about claims he can 'barely walk'.
So are the president's unusual arm movements evidence of a serious health issue, or are online observers reading too much into a few close‑up photos?
