Rheumatoid Arthritis Support Group
Rheumatoid arthritis is a chronic, inflammatory, multisystem, autoimmune disorder. It is a disabling and painful condition which can lead to substantial loss of mobility due to pain and joint destruction. The disease is also systemic in that it often also affects many extra-articular tissues throughout the body including the skin, blood vessels, heart, lungs, and...

"CBD, or cannabidiol, is responsible for immune system modulation, meaning it is helpful for an autoimmune condition like rheumatoid arthritis. THC, or tetrahydrocannabinol — and byproducts of its metabolism — has been found to be anti-inflammatory and analgesic (pain killing)."
https://www.whaxy.com/learn/best-cannabis-for-arthritis
Cannabinoid receptor 2 as a potential therapeutic target in rheumatoid arthritis
http://theroc.us/images/Cannabinoid%20receptor%202%20as%20a%20potential%20therapeutic%20target%20in%20rheumatoid%20arthritis.pdf
Characterisation of the cannabinoid receptor system in synovial
tissue and fluid in patients with osteoarthritis and rheumatoid
arthritis
http://theroc.us/images/Characterisation%20of%20the%20Cannabinoid%20Receptor%20System%20in%20Synovial%20Tissue%20and%20Fluid%20in%20Patients%20With%20Osteoarthritis%20and%20Rheumatoid%20Arthritis.pdf
BTW - Marijuana is medically legal in 25 states but CBD oil is only legal in 16: http://www.celebstoner.com/news/marijuana-news/2014/03/13/four-states-on-verge-of-passing-cbd-only-laws/
So much for legal medical marijuana in Canada!
I have learned that CBD is legal in all 50 states. You do not need a doctor to prescribe it. You simply order it online. I am trying now to find a good source of TOPICAL cud - a lotion to apply to sore joints. I will try that first to help reduce the prednisone and depending on how well that works and where I am with getting a biologic to work - MAYBE consider taking CBD ingestible.