Yes, I've wondered, Trump looks pretty healthy for his diet, probably he takes quite a few medications and follows medical advice as to minimize the consequences, i.e., publicly he eats moderate amounts of those junk foods and at home follows a healthier diet.
“This constant lying is not aimed at making the people believe a lie, but at ensuring that no one believes anything anymore.
A people that can no longer distinguish between truth and lies cannot distinguish between right and wrong. And such a people, deprived of the power to think and judge, is, without knowing and willing it, completely subjected to the rule of lies.
With such a people, you can do whatever you want.”
—Hannah Arendt, German historian and philosopher (1906–1975)
With this I would include lying about his health, medications and his doctors etc.