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Un caso di Alzheimer su tre è prevenibile modificando lo stile di vita, a cominciare dalla pratica di sport o dalla rinuncia al fumo.
Oltre a sedentarietà e tabacco, le altre principali cause scatenanti sono il diabete, l'ipertensione, l'obesità, ma anche la depressione e lo scarso livello d'istruzione, stando ai risultati della ricerca pubblicati sulla rivista The Lancet Neurology. Per gli esperti dell'Università di Cambridge, riducendo del 10% ciascuno dei fattori di rischio si potrebbero evitare 9 degli oltre 106 milioni di casi di demenza senile previsti per il 2050.
Ciò significa però anche che esistono ragioni della malattia la cui origine resta sconosciuta, concludono gli scienziati.
ANSA/dg
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