Anyone who has endured back pain knows it is an erratic dictator. It takes hold of your psyche, demanding your attention and devotion before all else—before you can plan a hike, return to a work routine, pick up your child for a hug. So when someone offers to make that dictator disappear, it’s hard to resist—no matter what the price.

You shouldn’t trust them with your spine or any other part of your body. By Yvette d’Entremont.