Brain features may reveal if placebo pills could treat chronic pain
Structural changes in the organ predicted who responded to sugar pills as treatment
![pills](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2018/09/091118_AC_placebo_feat.jpg?fit=860%2C460&ssl=1)
PLACEBO POWER People with chronic back pain who found placebo pills helpful in lessening the pain had certain brain and personality characteristics, a small study finds.
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