Bigu Fasting professional treatment enables a person to live safely on water and Qi (prana, universal energy) only for 2 or 3 weeks. This greatly promotes the process of Autophagy within a body's cells and purifies cells naturally.
Please open these two links to learn more about autophagy:
1.
Mystery of life: Autophagy may open the door to longevity from BBC
2.
Mechanisms for autophagy: 2016 Nobel Prize in Physiology or Medicine