Nicotine Ingestion Reduces Heart Rate Variability in Young Healthy Adults

Table 2

Mint (placebo) treatment.

Measurements	Mint treatment
	Before	During	After
LFF
LFM
HFF
HFM
LFF/HFF
LFM/HFM

Note: data was presented as ; “F” meant female, “M” meant male; LF and HF measurements were in normalized unit.