Maximum brainpowerが好きなら

"We all understand the importance of daily exercise in keeping physically fit. But mental exercise is just as essential to our health and well-being--especially when it comes to defending against forgetfulness, memory loss, and even dementia. These and other age-associated afflictions were once regarded as all but inevitable, but in fact, as this eye-opening, inspiring book shows, there is much we can do to protect o…