The scientists examined the relationship between the quality of leisure time and the risk of dementia in people older than 75 years without dementia. Studies have shown that only participation in learning and enabling activities, such as playing chess, dancing, playing musical instruments, suggests a significant decrease in the extinction of mental alertness.
Must also be observed on several lifestyle to keep a clear mind.
First - you need to eat well. The diet should always be oily fish (salmon, tuna), lots of fresh vegetables and fruits rich in antioxidants. But do not overeat!