I lived in Sri Lanka for 14 years, it is my mothers home country. While there I lived on local food which included turmeric and coconut oil, as well as a lot of dishes made from grated coconut and coconut milk, which is different from the water contained within the nut. I believe that the oil that is beneficial is unrefined organic coconut oil.

(I recently learned that there are fruits from the annonaceae family that are linked with parkinsonism; we consumed these seasonally on a daily basis, they are also found in other tropical coastal regions of the world. My grandmother who also had PD was especially fond of these........ There is a variant of PD with no/or little tremor and identifiable axial rigidity that has been identified in people of Afro-Caribbean and South Asian background by researchers in London. The description fits me to a tee.........)