Train Your Brain by Ryuta Kawashima

A concise, practical guide presenting short daily mental exercises and lifestyle tips designed to sharpen memory, attention, and processing speed; the book explains how simple routines—such as arithmetic, reading aloud, and targeted puzzles—can stimulate specific brain regions and help maintain cognitive vitality, offering an evidence-based, easy-to-follow program for anyone seeking to boost mental agility and reduce age-related decline.