A young woman walks into a laboratory. Over the past two years, she has transformed almost every aspect of her life. She has quit smoking, run a marathon, and been promoted at work. The patterns inside her brain, neurologists discover, have fundamentally changed. Marketers at Procter & Gamble study videos of people making their beds. They are desperately trying to figure out how to sell a new product called Febreze, on track to be one of the biggest...

In a compelling, story-driven narrative, the Heaths bring together decades of counterintuitive research in psychology, sociology, and other fields to shed new light on how we can effect transformative change. "Switch "shows that successful changes follow a pattern, a pattern you can use to make the changes that matter to you, whether your interest is in changing the world or changing your waistline.

The four-time Emmy Award-winning "Today" host draws on personal experience to counsel women on how to navigate life-changing milestones while speaking out and staying true to oneself Gifford has experienced decades in the spotlight and seasons of personal darkness. Here she celebrates the truth that each of us can let go of what holds us back, and embrace what lies ahead. In hearing God's loving call, we can toss out every "I can't!" and start imagining...