06 Jun 2023 --- Following a green Mediterranean diet, which is higher in dietary polyphenols and lower in red and processed meats, could reduce the risk of neurological conditions by lowering weight and brain age. The lifestyle intervention also decreased liver fat and enzymes that have been found to affect brain health in Alzheimer’s disease. In an 18-month clinical trial conducted by a team of Israel-based researchers, participants followed an adapted Mediterranean diet. Researchers scanned participants’ brains at the start and end of the program and tested liver biomarkers.