Salivary osmolality
increased significantly in the EX+PPE trial (73.4 ±
12.4 to 125.1 ± 30.3 mOsm·kg−1) and in the EX trial
(70.1 ± 12.5 to 83.6 ± 17.7 mOsm·kg−1) trial; however,
the increase in the EX+PPE trial was significantly
greater than the increase in the EX trial.