Not to start a fasting slide - but
Sten Ekbrg’s YouTube Channel is one excellent source of real health information, including the effectiveness of intermittent fasting and autophagy. https://www.youtube.com/c/drekberg
At 65 I started having several serious health issues. At 72 They have all been resolved through diet, fasting, breathing exercises and, recently added, meditation.
I shall speak no more of it here.
Interesting stuff - I’ll give it a look.
To u for that link!