Comment on

• Exercise is associated with reduced risk for incident dementia among persons 65 years of age and older.

  Larson EB, Wang L, Bowen JD, McCormick WC, Teri L, Crane P, Kukull W. Larson EB, et al. Ann Intern Med. 2006 Jan 17;144(2):73-81. doi: 10.7326/0003-4819-144-2-200601170-00004. Ann Intern Med. 2006. PMID: 16418406