Medical Help Lines:

Telehealth Ontario - 1-866-797-0000 or TTY : 1-866-797-0007
A call to Telehealth Ontario does not replace 911 — 911 is always the first number you should call in emergency situations.

Government Agencies:

Health Canada - http://www.hc-sc.gc.ca
Ontario Ministry of Health and Long-Term Care - http://www.health.gov.on.ca

References:

WebMD - http://www.webmd.com

Associations (in alphabetical order) :

Canadian Aids Society - http://www.cdnaids.ca
Alzheimer Society of Canada - http://www.alzheimer.ca
The Arthritis Society - http://www.arthritis.ca
Canadian Cancer Society - http://www.cancer.ca
Canadian Diabetes Association - http://www.diabetes.ca
Heart & Stroke Association of Canada - http://www.heartandstroke.ca
Canadian Lung Association - http://lung.ca

If you know any other links that you deem appropriate for this site, please feel free to let us know.