I recently came across the work of Regina Murphy, an outstanding sound therapist. She has developed quite powerful sound therapy music/vibrations to assist with health, and healing. She generously offers quite a few free programs, like this one for Parkinson’s, one of her latest.
http://soundsforselftreatment.com/natural-treatment-for-parkinsons-sound-therapy-study/
There appears to be a link with out of balance gut flora and a lot of chronic health conditions, including Parkinsons, good old Hippocrates, the father of Medicine, way back said that ‘all diseases begin in the gut’.
http://blog.lifeextension.com/2015/11/parkinsons-linked-to-gut-bacteria.html