Dear friend! Do you know what health is? "I'm healthy because I'm not sick," you'll probably say. And you will be right, but only partially. Think about how you feel after a quarrel with friends, a bad grade, when you get tired, your parents will punish you. It turns out that health is also affected by how you behave, where you live, what you eat, how you study, rest, how you know how to make friends. This guide offers original stories about words related to the topic "Fundamentals of Health", reveals their origin (etymology) and meaning. The basic rules of a healthy lifestyle (hygiene, nutrition, sports, exercise, daily routine), useful tips, health recipes are given. Various literary material (stories, fairy tales, poems, proverbs, sayings, riddles, songs, smiles) is given. Creative tasks, tests, games, dictations, interesting things, problems of valeological content, crossword puzzles, scanwords, etc. are given. A person's future largely depends on the state of his health. The material of the manual will help to form in students the need to value their own health and life as the greatest gift. For primary school teachers and students, educators of extended day groups, parents.