CLOCK and rheumatoid arthritis: The DunedinPACE clock showed significantly increased aging in RA cases and controls before and after immune cell composition adjustments (praw = 7.2e−13; psix‐cell‐type‐adjusted‐IEAA = 2.8e−06; peleven‐cell‐type‐adjusted‐IEAA = 9.4e−04).