An Unabridged Edition with Preface by the Author to include: The Principle of Health - The Foundation of Faith - Life and Its Organisms - What to Think - Faith - Use of the Will - Health from God - Summary of the Mental Actions - When to Eat - What to Eat - How to Eat - Hunger and Appetites - In a Nutshell - Breathing - Sleep - Supplementary Instructions - A Summary of the Science of Being Well.