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Levels of plasma TNF-α and IL-1β during the experimental period (N = 12). Q1, median, Q3, minimum, and maximum values of TNF-α (A) and IL-1β (B) are presented in boxplots. AG: American ginseng; IL-1β: interleukin-1β; P: placebo; TNF-α: tumor necrosis factor-α.
