A year ago we wrote a Glos­sary where we defined Brain Fit­ness as “the gen­er­al state of good, sharp, brain and mind, espe­cial­ly as the result of men­tal and phys­i­cal exer­cise and prop­er nutri­tion” and a Brain Fit­ness Pro­gram as a “struc­tured set of brain exer­cis­es, usu­al­ly com­put­er-based, designed to train spe­cif­ic brain areas and…