Chanced upon Hipkiss 2017 this morning (abstract and whole text).
On the Relationship between Energy Metabolism, Proteostasis, Aging
and PD: Possible Causative Role of Methylglyoxal and Alleviative
Potential of Carnosine.
Hipkiss AR; Aging Dis 2017 May 2;8(3):334-345.
See also (abstract only).
Dietary glycemic index is inversely associated with the risk of PD.
Nutrition 2010 May;26(5):515-21.