According to the World Health Organization, chronic diseases are defined as diseases of long duration which generally show slow progression (WHO, 2012a).
Ontario | Northern Ireland | Parkinson's disease | Hamilton, Ontario | Alzheimer's disease | Northern Territory | University of Western Ontario | Progressive Conservative Party of Ontario | Kingston, Ontario | London, Ontario | Ontario Liberal Party | Windsor, Ontario | Lake Ontario | Northern Pacific Railway | Centers for Disease Control and Prevention | Ontario general election, 1995 | Kimberley, Northern Cape | Scarborough, Ontario | Legislative Assembly of Ontario | Northern Illinois University | Northern Cape | Kitchener, Ontario | Northern England | Premier of Ontario | Belleville, Ontario | Army of Northern Virginia | Northern California | Oakville, Ontario | Northern Italy | Huntington's disease |