IL2 and psoriasis: Similarly, plasma concentration of IL-2 and INF-γ in psoriasis patients with normal secretion (↑19.68%, p = 0.002; ↑28.51%, p = 0.0006, respectively) and hyposalivation (↑29.70%, p ≤ 0.0001; ↑25.29%, p = 0.003, respectively) were significantly higher vs. control.