Basta poco per allungare l’aspettativa di vita: portare a spasso il cane o semplici lavori di giardinaggio. Brevi episodi sporadici di moderata attività fisica sono sufficienti a ridurre il rischio di morte nelle persone anziane del 41%. Lo rivela una ricerca di Barbara Jefferis della University College of London.
“Si tratta di risultati interessanti”, rileva Jefferis, “in quanto se si guarda alla popolazione anziana è di certo più probabile che questa svolga attività fisica sporadica durante il giorno nel corso delle normali attività quotidiane piuttosto che dedicarsi espressamente allo sport”.
Lo studio prese avvio tra il 1978 e il 1980, e coinvolse inizialmente 7'735 partecipanti di età compresa tra 40 e 59 anni. Nel triennio 2010-12, 3'137 tra loro, divenuti anziani, sono stati invitati a un check-up completo che includeva anche la raccolta di informazioni sugli stili di vita di tali individui. Una parte di loro ha anche indossato uno strumento per registrare l'attività.
ATS/Bleff
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