Learn Class 9 Science - Why Do We Fall Ill

The main reason for living life is good health. Health is the main thing that we have to look at. Because if we are not living a life with a good perspective, then we will not be able to do anything

What is health?

The term health stands for the state of a person's mental and physical good fit. The body will stop working well when there are changes or problems in the cell's functioning. Both personal and community issues will play a great role in health.

• The health of a person will also be affected by the environment's occurrence.
• The environment includes many kinds of symptoms that will affect human health.
• Public dealings, jobs, social life, and other financial conditions will become the reason for individual health.

Diseases

The diseases are divided into two main parts. You can see these two as acute disease and chronic disease.

• Acute diseases are the types that will affect a person for a short period.
• Example: the common cold.
• Chronic diseases are diseases that stay for a long period.
• Example: Diabetes.

Transmission mode of diseases

Diseases will occur in the human body due to many things. Like

• Airborne diseases
• Waterborne diseases
• Physical contact