3.1. Participants
cedar pollinosis
Ninety-one people consented to inclusion after explanation of this study, all of whom lived nearby. Eleven people were excluded because they did not meet inclusion criteria. Forty healthy subjects were allocated to placebo (n = 21) and probiotics groups (n = 19), and forty patients with Japanese cedar pollinosis were allocated to placebo (n = 20) or probiotics groups (n = 20) (Fig. Background of subjects.Flow chart of participant inclusion in this study.