Anyone older than forty knows that forgetfulness can be unnerving, frustrating, and sometimes terrifying. With compassion and humor, Jakobson Ramin sets out to discover what midlife forgetfulness is all about—from the perspectives of physiology, psychology, and sociology. Relentless in her search for answers to questions about her own unreliable memory, she explores the factors that determine how well—or poorly—one's brain will age.