alt Hacker NewsYou lose .5-1 lb of fat every day you water fast; you will naturally increase stem cells, peptides, growth hormone, etc.
You can do this for months if needed.
You will reset your immune system, insulin response, eat off cancerous cells, etc.
The bigger opportunity is to figure out why all of these things are going on, typically unprocessed emotional trauma, environment, and choices.
I ain't doing a water fast. And most people will not. Again, your argument is essentially "just use your will power". Clearly, people don't have that level of will power.