Curry and Alzheimer's disease

There was a report on BBC News http://news.bbc.co.uk/2/hi/health/8080630.stm that "weekly curry may fight dementia." It was reported by Professor Murali Doraiswamy of Duke University at the Royal College of Psychiatrists annual meeting, that eating curry once or twice a week appears to lower the risk of AD and dementia. He is assuming that it is the curcumin in the curry that is making the difference and noted that there are now studies in progress in animals using much higher levels. The part of this story that has caught my attention is the curry, which is usually made with coconut milk. Coconut milk is loaded with coconut oil, therefore contains medium chain fatty acids, which will be converted in the liver to ketones. If there is not enough curcumin in curry to make a difference maybe this other ingredient will!