This long article looks at how curcumin interacts with the amyloid beta protein and seems neuroprotective in a human trial of AD. I don't understand it all, but could it do the same for a-synuclein in PD?
I hope someone who knows more about the science than me can give the forum an informed opinion.
I get proposed several articles like this a week on Researchgate as feedback from articles I read or search for. It's obviously using the same algorithms or cookies as Google uses to send you publicity. This is however useful as I get to see the latest stuff without much effort. Most of it is also free access or if not I can directly ask the authors to send me a copy and they usually do.
Take a look