"A 'landmark book.'"--The New York Times*When the dark days of winter approach, do you feel sluggish and slow? Is it a struggle to get out of bed each morning?*Do you have difficulty focusing at work or in relationships, feel down in the dumps, or, worse still, get really depressed?*Does it get harder than ever to stick to a healthy diet and control your weight?If you answered yes to one or more of these questions, you may be one of the millions of people who suffer from seasonal affective disorder (SAD). Picking up this book is the first step toward feeling more energized, productive, and alive--all year long. Dr. Norman E. Rosenthal's engaging, compassionate style and rich store of scientific wisdom have made this trusted guide a perennial bestseller. Dr. Rosenthal explains how to evaluate your own level of seasonality, get the most out of light boxes and other effective self-help options, and make informed decisions about antidepressants and psychotherapy. The thoroughly updated fourth edition features a new chapter on different meditation practices and their benefits. Packed with information and insights, this is a tried-and-true survival kit for weathering the winter blues.See also Dr. Rosenthal's Winter Blues Survival Guide, a step-by-step workbook that helps you craft a customized SAD treatment plan.