La Svizzera è uno dei paesi con la popolazione più longeva. La speranza di vita nella Confederazione si avvicina infatti agli 83 anni, ma, secondo uno studio dell'Istituto di medicina sociale e preventiva dell'Università di Berna, il luogo di domicilio e lo status sociale giocano un ruolo importante.
Secondo i ricercatori, abitare nelle vicinanze di una delle cinque principali città elvetiche o in riva a un lago allunga la vita, mentre le regioni di campagna e montagna sono meno fortunate. In particolare, meno favorevoli, risultano le regioni a nord del Lago di Neuchâtel, quella attorno a Bienne, le vallate alpine, l'hinterland lucernese e l'Emmental.
L'indagine è stata condotta sulla base del censimento del 2000 e sui dati riguardati 400'000 decessi registrati fino al 2008.
ATS/sf
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