Donald Trump’s health is back under scrutiny after a new Wall Street Journal report revealed an extraordinary arrangement surrounding the US president’s personal physician. Navy Captain Dr. Sean Barbabella, or a colleague, must reportedly remain within three minutes of the 80-year-old president at all times. But questions remain over how closely Trump follows medical advice. Meanwhile, Trump’s recent public appearances have drawn fresh online attention, with social media users commenting on his walk and swollen ankles. Earlier this month, Trump also spoke about ignoring medical advice at an Ohio rally. What do these revelations mean for scrutiny of the president’s health?