cigarette smoke and uv radiation are two examples of a Compound Interest: The Chemicals in & Their Effects Does UV Radiation Cause Cancer?

PMID 23430782

The patient had extensive wounds to his mouth, several missing teeth and a broken lower jaw, said Dr

As well, the harmful chemicals present inside one cigarette stick profoundly affect the oral microflora, encouraging the presence of bacteria putting your gum and dental health in jeopardy

You can also go into your local community pharmacy for advice about stopping smoking:

Diacetyl was among the ingredients used at the bakery

This is maybe a little slow for immediate cravings, so users are likely to have their willpower tested, or they need to predict triggers so they start chewing gum about 20 minutes before they happen