Why do we fall ill ? G9

What do we mean by falling ill? It means “not healthy”. Ever wondered why hygiene and health are closely related to each other? Or what exactly do we mean by the term “Health”? Well, health is a state of “well-being” of a person. It means that a person should be able to function well mentally, physically and socially. But, can a healthy person be called “Disease-free”? Well, that's not the case. Healthy and disease-free are two different states of an individual. Being healthy is not the same as not being diseased. Let us study the concepts of 'being healthy' and 'diseased free in detail.