This is a first extensive work of its kind in the field of personal hygiene/Preventive Medicine/Community Medicine which will be very useful to graduates, post graduates, researchers and any one intend to work in this field. This book is designed as an introduction as well as explanation of basic components of personal hygiene and their impact on health and in genesis of different systems disorders. The notions and terminologies are very clear and concise. Even readers without any prior background/knowledge of Personal Hygiene/Preventive Medicine would be hopefully benefited and would get a strong foundation.