Ditch the decaf?
D001172:Arthritis, Rheumatoid / Q000139:chemically induced*; D002110:Caffeine / Q000009:adverse effects*; D003069:Coffee / Q000009:adverse effects / Q000737:chemistry; D005260:Female; D006801:Humans; D014481:United States
D003069:Coffee; D002110:Caffeine