What are the ways to prevent Alzheimer's?

"There are behavioral ways to prevent Alzheimer's, but also ways to increase nutrition, through task training methods and so on. Behavioral approach is to participate in more social activities, you can participate in activities and sports, mainly aerobic exercise, fast walking, jogging, and swimming, to participate in some choir, street dance, square dance and these activities, can promote blood circulation, slow down the aging. Normally, we should participate in some chess activities, through playing chess, playing cards and other exercises for the elderly brain, while delaying dementia and preventing dementia. Through food to be given to food containing high quality protein and unsaturated fatty acids, such as fish, shrimp, crab, eggs, lean meat, chicken, duck, and vegetables and fruits rich in vitamins and minerals to prevent dementia."