Fig. 2From: Evaluating the effect of aromatherapy on a stress marker in healthy subjectsAs described for Test 1, regarding the point before the start of aroma oil inhalation as Week 0 and the salivary s-IgA level at this point as a reference, the rate of change in the salivary s-IgA level from Week 1 until Week 6 was calculated. On Test 2, saliva was collected at wake-up time. * 1p = 0.001, *2p = 0.002 (significant increase)Back to article page