Figure 3

Change in salivary flow rate for the four groups, and for each time point. TP1 = time point from Pre-test, TP2 = time point immediately after the test, TP3 = time point one hour after the test; NSnE = non-smokers that did not exercise; NSE = non-smokers that did exercise; SnE = smokers that did not exercise; SE = smokers that did exercise; SFR= Salivary Flow Rate.