https://disworld.in/why-do-we-get-ill.html

Have you ever thought why do you have fever? Why do you fall ill? Is there is reason behind it or something? Now we are going to discuss about that only.

Mainly physically there are 2 types of diseases: Infectious and hereditary diseases. Infectious diseases can spread from one person to another. First we are going to talk about infectious diseases.

Infectious diseases are caused by pathogens such as bacteria, viruses, fungi and parasites. These pathogens can enter the body through the air we breathe, the food and drink we consume or through openings in the skin, such as cuts. Example are rabies etc.

When these pathogens enters our body, our body as self defense raises it’s temperature to kill these pathogens. This is same as what is done when milk is pasteurised. Being sick is also a wake up call by our body to take precautions and get medication. Sometimes we also fall ill because of unhealthy lifestyle.

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