Dr. Wang Mingxu (MD, Harvard Medical School/MIT; PhD in Laser Physics; CEO of Aier US; the inspiration for the American film *Sight* (free link: sight.drmingwang.com ) ) suggests, based on the latest research published in *JAMA*,

5 things to do to prevent Alzheimer's:
1. Learn new things (building new brain connections!);
2. Spend more time with friends;
3. See clearly (treat nearsightedness, farsightedness, astigmatism, presbyopia, and cataracts), hear clearly ( hearing aids);
4. Exercise, eat a healthy diet (vegetables and protein);
5. Avoid head injuries.