Venous oxygen saturation

1. Smoking decreases venous oxygen saturation in humans (-9%).

   “post-challenge, the following decreased significantly: baseline SvO2 (e-cig+: -12%; e-cig−: -14%; t-cig: -9%)”

   Human trialpost-challenge in smokers/vapersfemoral veinn = 41

   Acute Effects of Smoking and Vaping on Markers of Vascular Function via Quantitative MRI

   Journal of magnetic resonance imaging : JMRI·7 Jul 2026

More on Smoking

1. Non-nicotinized e-cigarettes decrease venous oxygen saturation in humans (-14%).

   “post-challenge, the following decreased significantly: baseline SvO2 (e-cig+: -12%; e-cig−: -14%; t-cig: -9%)”

   Human trialpost-challenge in smokers/vapersfemoral veinn = 41

   Acute Effects of Smoking and Vaping on Markers of Vascular Function via Quantitative MRI

   Journal of magnetic resonance imaging : JMRI·7 Jul 2026

More on Non-nicotinized e-cigarettes

1. Nicotinized e-cigarettes decrease venous oxygen saturation in humans (-12%).

   “post-challenge, the following decreased significantly: baseline SvO2 (e-cig+: -12%; e-cig−: -14%; t-cig: -9%)”

   Human trialpost-challenge in smokers/vapersfemoral veinn = 41

   Acute Effects of Smoking and Vaping on Markers of Vascular Function via Quantitative MRI

   Journal of magnetic resonance imaging : JMRI·7 Jul 2026

More on Nicotinized e-cigarettes