Trump suffering from 'diarrhoea of the mouth and dementia' as experts claim 'he's losing it'Donald Trump's malfunctioning brain has set medical tongues wagging as the US President launches into increasingly erratic speeches and 'traumatises' leaders in private meetingsView 3 Images Trump's mental decline continues (Image: AP)The evidence of Donald Trump mental decline is starting to become insurmountable – even for his staunchest allies. Health experts are increasingly sharing their concerns about US President mental capabilities. ‌The latest unofficial diagnoses include "dementia" and a speech disorder called "logorrhea" – which is also known as "diarrhoea of the mouth". ‌View 3 Images Fifco denied calling Trump 'dangerous' (Image: AP)Fifco was so "traumatised" at the state of Trump's "psychological state" that he called the commander-in-chief "dangerous", Politico reported. View 3 Images Trump meeting Nicki Minaj (Image: AP)He described his father Fred Trump, who died in 1999 aged 93, as a man with a “heart that couldn’t be stopped” and virtually no health problems.