Have chronic feet pain which has never healed in years? — I may have a solution.

My friend has had chronic pain for years now. He used to run marathons as a kid, so there were no issues growing up. And everything was fine as long as he lived in tropical climates. The year he moved to a colder area, he woke up at 5:00 AM in the morning screaming with pain from his foot which had completely swollen and he could not put any weight on…