The NHS states that vaping is "substantially less harmful than smoking" and exposes you to "far fewer toxins, and at lower levels"
Inorganic forms of arsenic are, in general, more toxic to humans since they are less stable and may allow arsenic to interact with important cellular molecules
Once the cause is gone, the tongue returns to its pinkish white color
In an area that flexes, wire insulation can break and conductors can touch
Examples of countries in this category include most EU member states (which fall under the baseline EU Tobacco Products Directive), Canada, China, Australia (which has a unique prescription-only model for nicotine vapes), New Zealand, the United Kingdom (which heavily regulates but allows sales), and the United States itself