TNF and Behcet disease: Another recent study in uveitis‐affected BD patients demonstrates that NK cell cytokine production favours Th1/NK1 cytokine production (TNF‐α, IFN‐γ and IL‐2) during periods of activity, with a relative switch towards Th2/NK2 cytokines (IL‐4 and IL‐10) during remission 40.