Some practitioners have noted an association with
inflammatory process mediated by homocysteine [Rogers2008, pg 9]. Note that the common
diuretic hydrochlorothiazide (HCTZ) increases homocysteine levels [Westphal2003].
Other possible environmental or genetic factors include lead, iron, aluminum toxicity,
pesticides, dairy, dry cleaning chemicals, malnutrition (overconsumption or deficiency), dairy,
mitochondrial insufficiency, reactive oxygen species,
Heliobacter pylori, elevated
According to [Mischlev2010], "elevated homocysteine levels [may be] associated with worsening
PD motor symptoms, dyskinesias, and ... cognitive symptoms."
 Muller T, Werne B, Fowler B, Kuhn W. Nigral endothelial dysfunction, homocysteine, and Parkinson's disease. Lancet Jul 10 1999;354(9173): 126-127.