cigarette are made from What does a up of?? Cigarette - Wikipedia

[22] As of August 2017, regulatory compliance deadlines relating to premarket review requirements for most e-cigarette and e-liquid products have been extended from November 2017 to August 8, 2022, [24] [25] which attracted a lawsuit filed by the American Heart Association, American Academy of Pediatrics, the Campaign for Tobacco-Free Kids, and other plaintiffs

It is made of multiples interwoven tiny rings

Yes, but there are consequences

The treatment of people with cardiovascular diseases costs the countries of the European Union (EU) about 10% of their total expenditure on health

If only a few, small polyps are found, and they're not considered to be abnormal, the next endoscopy can be done ten years later