The connections keep coming. Vibration therapy ("mimics exercise") shakes up the microbiome in the gut, improving conditions for beneficial bacteria (by 17 fold), which makes more short-chain fatty acids (DHA, etc), which cuts down on inflammation (in body, arteries, heart, and brain).
newatlas.com/whole-body-vib...
medicalnewstoday.com/articl...
Some PD specific studies: flyinsoundcarpet.fi/lahteet...