Why do some people live long, healthy, and happy lives, while others struggle with dementia, heart disease, and depression? How can we protect ourselves from those outcomes? In How to Live to 100, U.S. News draws on the latest research from top experts around the country to help readers understand what they can do to increase their own chances of living a long, healthy, and happy life.Featuring chapters on the latest scientific advances, the best exercises for every age, longevity diets, happiness secrets, and how to save enough money, How to Live to 100 gives readers a personalized guide to their own longevity. Three checklists, on Health, Happiness, and Money, also provide an overview of action items, featuring suggestions such as flossing daily, eating no more than 18 ounces of red meat a week, cultivating a vigorous savings plan, and building close relationships.