Gut microbe mix may spark Parkinson’s
In mice, brain inflammation, motor problems linked to intestinal bacteria
![mouse microglia](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2016/12/120116_LH_parkinsons_main_rev.jpg?fit=860%2C460&ssl=1)
GUT IMPULSE Signals from gut microbes can activate immune cells called microglia (shown here in green) in the mouse brain, causing inflammation that’s characteristic of Parkinson’s disease.
Tim Sampson/Caltech