This book "Hygiene" has been written for the students of the 3rd grade of EPAL in the Health – Welfare – Wellness sector with the aim of helping them prepare for the Panhellenic exams. Additionally, it could also be used by teachers who teach this subject as it constitutes a source of rich educational material. The sections and structure of the book are in accordance with the teaching – examination material of the Panhellenic exams, as its purpose is to prepare the students thoroughly and effectively for these exams. Each section of the book includes: 1. Detailed presentation of the theory with questions – answers that contribute to a better understanding of the text. 2. Closed-type questions such as: A. True/False B. Multiple choice C. Fill-in-the-blank D. Matching in the standards of the Panhellenic exams of recent years. 3. Short answer questions 4. Combined topics – critical thinking questions 5. Review test at the end of each section 6. Comprehensive review tests at the end of the book 7. All the exams of the Panhellenic exams and OEFE of recent years