A how to avoid dementia?

A whole preventing methods.
Use healthy mode of life.
Avoid stress,which worsening memory.
More move, physical exercises are improving blood circulation.
Eat vegetable,vitamin meal, as fats abundant and carbohydrates rises risk for  atherosclerosis and diabetes,which are destroy blood circulation and contribute for dementia.
Give for brain a work, in intellectual developed  peoples a risk Alzheimer diseases is lower.
Avoid are scull brain injuries.