The human body is exposed on a daily basis to internal toxins (free radicals or alcohol metabolites, among others) produced by the body itself and external toxins (heavy metals or pesticides) that damage our tissues.

Our digestive system contains trillions of bacteria known as gut microbiota which, as well as protecting us from foreign microorganisms, also transform the food we eat so that it can be properly digested. Over the years, it is easy for our digestive system to suffer from minor discomfort to more severe disorders.

Actress Jennifer Aniston's intermittent fasting was inspired by the prophet Daniel, one of the Bible's great nutritionists. The Old Testament tells us that Daniel, exiled in Babylon, designed a diet to be put into practice during 21 days, based on fruit, vegetables, water, meat and bread. He invented it to serve God with a purified soul. Today, intermittent fasting is used to burn body fat and reduce anxiety.