11. Below is a table from the journal article "Acute Effects of Electronic Cigarette Aerosol Inhalation on Vascular Function Detected at Quantitative MRI" by Caporale, et. al. from Radiology 2019.Nonsmokers were asked to inhale nicotine-free e-cigarette aerosol, and variables were measured.

Effects of Electronic Cigarette Aerosol Inhalation on Vascular Function Table 4: Comparisons before and after E-cigarette Vaping MRI Parameters Before E-cigarette Vaping After E-cigarette Vaping P Value Peripheral vascular reactivity Dynamic superficial femoral vein oximetry (SVO) Baseline SVO, (%HbO,) 65+ 2 52+ 2 <.001 washout time .001 upslope hbo sec overshoot peak-to-peak svo .49 superficial femoral artery blood flow velocity resistivity index peak to hyperemic vessel wall imaging fmd cerebrovascular reactivity breath-hold .08 post-breath hold relative increase .10 central arterial stiffness apwv .05 note.-data are mean standard error. refers the slope of curve following nadir maximum rela- tive baseline arch pulse wave luminal flow-mediated dilation venous oxygen saturation>