What is the link between physical activity, longevity, and disease prevention? Why are a balanced lifestyle, eating habits, sleep, reduced stress, and contact with nature important for a healthy life? Why is respect for the environment essential for the health and survival of us all? This book, along with "Longevity News 1: Nutrition and Disease" of the "Nutrition, Health, and Longevity" series, provides an in-depth overview of disease, nutrition, lifestyle, exercise, and the environment in order to provide you with the tools to live a long and healthy life.