A have a friend that is an electrician. He's now in his 40's and was having pain from being in the construction industry since he was 18. He snagged a sauna th

A have a friend that is an electrician. He's now in his 40's and was having pain from being in the construction industry since he was 18. He snagged a sauna that a customer was throwing away. He does it in the evenings after work and now he wakes up pain free. Kinda goes with the article's idea of blood flow sometimes being the cause of pain.