The Mirror's resident doctor, Dr Miriam Stoppard, says the leader of the free world Donald Trump may fool himself into thinking he's a medical expert - but don't let him kid you

Donald Trump isn’t slow to set himself up as a global arbiter of medical truth.

The US ­President’s ­pronouncements range far and wide, from mental health to ­curing AIDS. And he’s not beyond ­writing medical reports, says Joanne Silberner in the BMJ.