The author of Undoing Depression presents an effective guide to modern anxiety, and shows how you can recognize--and rescue yourself from--its effects. Twenty-first-century life evolves at a breakneck pace--and with it, stress seems to multiply by the day. We work long, harrowing hours. We fret over our families and finances. Our e-mail beeps and our cell phones ring. But our nervous systems were never meant to handle so many...