Why is cleanliness required for humanity?

The term cleanliness means the absence of dust, garbage, foul smell, stain, dirt, etc. Cleanliness is an important part of our life. It is the most important practice for a clean and healthy environment. It includes both personal and public hygiene. Keeping our mind, body, soul, and intellect pure is an important practice in human life. It is very important to keep our household, workplace and the environment in general very clean. Any negligence in this regard can cause diseases and have many other harmful effects.