This book describes how bad habits contribute to ill health. The habits the author refers to that so negatively impact patients by leading to significant illness and mortality, include the following: --Alcohol abuse --Tobacco abuse --Obesity --Poor dietary habits --Excessive stress The impact of the above on all parts of the human body are described in detail. Exercise, on the other hand, is a habit that can help negate or delay the negative consequences of the first five if practiced continuously and faithfully.