The Comprehensive Blood Analysis includes markers of immune system function and inflammation such as a high sensitivity C-Reactive Protein (hs-CRP), Red Blood Cell Width (RBCW), ferritin, and erythrocyte sedimentation rate (ESR)
A 2018 report from the National Academies Press (NAP) found significant evidence that taking a puff from a nicotine e-cigarette triggers an increase in heart rate
Other major tobacco companies are running similar campaigns
In particular, the industrys proliferation of budget and super value brands, which included new variants within established brand families (e.g., Rothmans Royals) ensured people who smoked could switch to alternative, cheaper brands
Caffeine withdrawal, though uncomfortable, is usually less intense and shorter-lived
If you notice tone drifting again, resume a short block of at-home RLT or discuss a light peel with a professional