Twitter #Arthritis isn't just a "modern" illness. Arthritis is actually one of the oldest diseases known to human kind. https://t.co/1pKpliUHjA #Arthritis isn't just a "modern" illness. Arthritis is actually one of the oldest diseases known to human kind. https://t.co/1pKpliUHjA Apr 06, 2016 5 #Arthritis