Reading and writing can lower dementia risk by almost 40%, study finds - The Guardian

Reading and writing can lower dementia risk by almost 40%, study finds  The GuardianBrain train game may help protect against dementia for up to 20 years  NBC NewsBrain game may reduce risk of Alzheimer’s and other dementias  CNNCognitive Speed Training Linked to Lower Dementia Incidence Up To 20 Years Later  Johns Hopkins MedicineOnly certain types of brain-training exercises reduce dementia risk, large trial reveals  Live Science