title: Brain-stimulating habits linked to lower Alzheimer's protein levels.  Research shows that a lifetime of mentally challenging activities may help delay dementia.
mesh_terms: D000368:Aged; D000544:Alzheimer Disease / Q000503:physiopathology* / Q000517:prevention & control* / Q000523:psychology; D016229:Amyloid beta-Peptides / Q000378:metabolism*; D018450:Disease Progression; D005260:Female; D006801:Humans; D007899:Leisure Activities; D008297:Male; D008603:Mental Health; D008606:Mental Processes; D008875:Middle Aged; D011322:Primary Prevention
chemical_list: D016229:Amyloid beta-Peptides