TNF and asthma: The antiasthma simplified herbal medicine intervention (ASHMI) alleviates asthma symptoms by modulating Group 1 cytokine (inhibition of TNF-α and IL-6) [91] and Group 2 cytokine (inhibition of IL-17, IL-13, IL-5, and IL-4, and enhancement of IFN-γ) expression [92,93].