Chiropractic was long considered no better than placebo.  However, the body of evidence has grown and chiropractic is a legit option for spine pain. Meanwhile, many of medicine's most widely accepted truths are under scrutiny as 'no better than placebo'.  The idea of a placebo is clearest to a parent of a young child.  For example, Imagine your kid stumbles and scratches their knee. They run to you in tears and you console them, kissing their owie.…