Dr. Ray Peat waxed lyrical about the youthful metabolism; how neonates would heal scars entirely, how children sometimes could regrow dismembered fingertips like salamanders, how infants resistance to diseases was sky high, how good health felt like mild to moderate euphoria every day etc.
Then this wonderful quality is (often) lost with age. He also mentioned in passing how some old people he knew, who lived rural lives, maintained that youthful quality, rarely got sick, tolerated all foods fine, lived free of pain and disease with good mobility and high spirits etc...
I realize the Scorch protocol was primarily originated to heal severe chronic illness, but what if an ordinarily healthy person followed it to the letter, did it as often as healthfully possible - what do you think they could achieve long term with regards to increasing vitality?