https://www.google.com/amp/s/www.vox.com/platform/amp/scienc...
Some people call it quackery. I dismissed it when I heard about it. Some people swear by it and the connection to psychology and mental health should not be dismissed. Correlation, causation, mentally healthier people are probably more active... etc etc. still. A novel addition to your list of “add this to the mix” when troubleshooting.