Concise Selina Solutions for Class 9 Biology Chapter 15 Hygiene (A Key of Healthy Life)


Hygiene is a series of practices performed to preserve health. According to the World Health Organization, "Hygiene refers to conditions and practices that help to maintain health and prevent the spread of diseases." Personal Hygiene refers to maintaining the body's cleanliness. Hygiene refers to the conditions and practices which help to sustain good health and prevent the spread of diseases. Health is a state of complete physical, mental and social well-being and not merely the absence of disease or infirmity. Health refers to the normal and healthy state of the body in all three aspects, namely - physical, mental and social wellness. At the same time, Hygiene pertains to the conditions and practices to maintain health and prevent any chance of diseases. Hygiene is a set of practices followed to preserve health and prevent the spread of diseases.