As the car has an engine with different spare parts, a human body has different organs. Each organ just like spare parts has a function to play. If something goes wrong with even one of it, then the whole system can stop working or perform less efficiently. So it is important to take care of your machine very carefully regularly.
Our body every moment collects toxins or waste which needs to be evacuated from time to time. The extra toxin can be evacuated by either exercise or by fasting if not by