What is the scientific reason behind fasting during Navratri?

Besides religious perspective there is a scientific overview of fasting, fasting helps the human body to perform 3 main metabolic activities;

1. Detoxification – since Navratri is a biannual festival; first, at the beginning of summer and second, at the beginning of winter. These are two juncture of seasonal change, this is the period when the human body is vulnerable and susceptible to fall sick; therefore it’s necessary to have a light diet and help the body cells to produce antioxidants which help in removing the waste products to avoid causing further hazards to the body.
2. Mindfulness – fasting gives our digestive system time to rest. During fasting human body consumes fat a