Below are some very helpful links. These links answers further questions and will help you in speaking to your doctor regarding your interest in the medicinal application of marihuana,

Health Canada Informations and Forms
For all the info and forms to apply for your MMAR exemption check out the Health Canada website.
www.hc-sc.gc.ca/dhp-mps/marihuana/how-comment/applicant-demandeur/index-eng.php

Health Canada's website
Health Canada's website has a wonderful data base of current information, researches and many scientific evidence of the therapeutic value of medical marihuana in treating various symptoms.
www.hc-sc.gc.ca/dhp-mps/marihuana/how-comment/medpract/infoprof/index-eng.php

Medical news on the effect of medical cannabis on Rheumatoid Arthritis
Rheumatoid arthritis, cannabis based medicine eases pain and suppresses disease
www.medicalnewstoday.com/releases/33376.php

BBC Health: Cannabis drug cuts arthritis pain
A drug made from an extract of cannabis has helped to reduce the pain caused by rheumatoid arthritis.
http://news.bbc.co.uk/2/hi/health/3790227.stm

BBC Health: Cannabis 'helps rheumatoid arthritis'
Cannabis: More evidence of its therapeutic effects
http://news.bbc.co.uk/2/hi/health/860903.stm

BBC Health: Support for medicinal use of cannabis
The US report pushes forward the argument for the medical use of cannabis
http://news.bbc.co.uk/2/hi/health/298485.stm