If you want to be healthy, you should know about your body and its workings of inner organ, what are the factors affecting your body?. If you want to loss your weight do exercise its fine but why your weight increased that reason you should understand. What are all your habits leads to your weight gain.? Is diet is necessary..? This is the basic and complete guide to being in everyone's hands. This book will give some understandings about your health. First you should understand what are the factors that affecting your human body. 1. Your mental health 2. Air that you breathe 3. Water which you consume 4. Food which you take 5. Environmental conditions 6. Your habits If you organize the six of the above, you will be healthy throughout life.