Rewarding stimulation boosts immune system
Experiment in mice may help explain placebos’ power
![Immune cells](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2016/07/070116_ls_placebo_free.jpg?fit=860%2C460&ssl=1)
TWO TALES Immune cells taken from mice that had their brains’ reward systems activated (right) killed more E. coli than immune cells taken from control mice (left).
T.L. Ben-Shaanan et al/Nature Medicine 2016