He's in astonishingly good health according to his Dr's letter, which he wrote himself..... Trump wrote own health letter, doctor says
Also there's this Donald Trump has a very strange theory about exercise - CNNPolitics " Donald Trump has a very strange theory How Trump Could Get Fired" that appears in the May 8, edition of the New Yorker. That's far from the first time we've heard that Trump and exercise aren't friends. This, from a February 6 piece in Axios: "The only workout Trump gets is an occasional round of golf. Even then, he mostly travels by cart. On the campaign trail he viewed his rallies as his form of exercise."
According to this, Donald Trump's Tennis Photo | Know Your Meme The tennis photo is from 18 years ago, so he's 50 in it. Pendantic I Know.....