Cigarette effect on the skin causes constriction of blood vessels, reducing blood flow to the skin and depriving it of oxygen and essential nutrients
It is worth noting that vaping products are themselves subject to a new UK tax regime that took effect in 2025, meaning this cost advantage may gradually compress over coming years as duty is applied to the vaping category as well
The smoke from a cigarette contains thousands of chemicals, including nicotine, carbon monoxide, and tar
& Quigley, E
This counterintuitive pattern likely reflects, first, measurement limitations of the binary exercise indicator, which cannot differentiate intensity, frequency, or underlying purpose, and second, selection and reverse-causality processes whereby individuals with chronic conditions may be more likely to initiate or report exercise in response to clinical advice or self-management needs
Any amount of smoking, even occasional smoking, can cause this damage to the heart and blood vessels