Ques­tion by Anton Goldberg: What sur­prised me the most in your inter­view was when you said that phys­i­cal exer­cise does­n’t help improve mem­o­ry as much as men­tal exer­cise does. I get the oppo­site impres­sion when read­ing media reports. Can you point out the research that sup­ports your view? And, if true, why isn’t the media…