Men­tal exer­cis­es may pre­vent men­tal decline in seniors (CBC News): “A review released by the Cana­di­an Med­ical Asso­ci­a­tion Jour­nal on the pre­ven­tion of cog­ni­tive decline said that med­i­c­i­nal and non-med­i­c­i­nal prod­ucts, and phys­i­cal exer­cise did noth­ing to pre­vent the decline in healthy seniors, but men­tal exer­cis­es have been shown to be beneficial…The report was writ­ten…