Trump defends his mental health: "I'm a stable genius"

President Donald Trump has hit back at people questioning his mental health by boasting about his intelligence on Twitter.

After the release of Michael Wolff’s book ‘Fire and Fury’ on Friday, in which he painted a picture of a chaotic administration with a childlike man at the helm, Trump’s mental stability is being questioned by some.

In response, the US President has taken to Twitter to defend himself against those attacks and to call Michael Wolff a fraud.

"Actually, throughout my life, my two greatest assets have been mental stability and being, like, really smart. Crooked Hillary Clinton also played these cards very hard and, as everyone knows, went down in flames.

"I went from VERY successful businessman, to top TV Star to President of the United States (on my first try). I think that would qualify as not smart, but genius [...] and a very stable genius at that!"

In a press conference at Camp David he also said: "I went to the best colleges or college. I went to – I had a situation where I was a very excellent student, came out and made billions and billions of dollars, became one of the top business people."

During the same conference, he denied knowing Wolff and claimed that he was never interviewed by him, going on to label him a fraud and his book as a "work of fiction".

He also called for stricter anti-libel laws in the US in retaliation.

Triggering Trump's tweets, Wolff had told the BBC: "I think one of the interesting effects of the book so far is a very clear 'emperor has no clothes' effect.

"Suddenly everywhere people are going: 'Oh my God, it's true, he has no clothes.' That’s the background to the perception and the understanding that will finally end […] this presidency."

Indeed, in a highly unusual development, fifty-seven House Democrats had sponsored a bill questioning whether the president is mentally and physically fit to be in office.

Under the 25th amendment, which was implemented at the height of the Cold War, legislators could formally question the Commander-in-Chief's aptitude to be charged, among other things, with the keys to the new and vast destructive power that only nuclear weapons could unleash.

Trump recently tweeted a taunting message to Kim Jong Un in North Korea saying he had a "bigger (nuclear) button" that was more powerful and "actually worked".

The increasingly public debate came as the President was to undergo his annual medical exam, the results of which would be released into the public domain.