Following are predispositions to Alzheimer\'s disease except -: (A) Down's syndrome, (B) Head trauma, (C) Smoking, (D) Low education group
Answer is C. Risk factors for Alzheimer's disease:- Old age, female sex, positive family history, head trauma, low educational status, depression, metabolic (diabetes, hypercholesterolemia, elevated homocysteine), hypertension, CVA (stroke), Heavy metals (mercury, aluminium), genetic factors, down's syndrome.