How we think strongly influences our physical and emotional well-being. But according to physician and researcher Hilary Tindle, being optimistic may have a more far-reaching effect. In Up: How Positive Outlook Can Transform Our Health and Aging (Hudson Street Press/Penguin Group, 2013), Tindle reveals that seeing the world through rosier-colored glasses can improve physical health and slow the aging process. She provides readers with seven strategies to enhance their outlook, such as meditation techniques, to help them put a more positive spin on life.