This book describes diet as a factor that promotes long-term health in people. The dietary components that prevent aging and diseases are mentioned. To better understand the connection between diet and aging, the author discusses relevant issues that affect food choices and practices around the world; such as the relation between obesity, overweight and diets. The book also discusses diet challenges for countries around the world, such as African communities where access to nutritious food may be hampered by poverty. The need to manage diseases tied to diets in present day society is touched on in the book, so as to ease unsustainable burden on the healthcare system.