“There are around 50 million dementia cases globally, with around 10 million new cases discovered by doctors every year. Alzheimer’s disease makes up 50 to 70 percent of those cases. Its development and progression have links with both genetic and environmental factors, including diet and lifestyle.”
The Mediterranean Diet scores have high marks again when assessed for dietary effects on dementia.
https://studyfinds.org/mediterranean-diet-dementia-alzheimers-disease/
FOOD, FACTS and FADS 