What is the difference between the smoke coming out of the front of the cigarette and the smoke coming out of the back?

Question

What is the difference between the smoke coming out of the front of the cigarette and the smoke coming out of the back?

In: 9

Answer 1

For filtered ones you’re sucking the smoke through a filter which supposedly helps, but the effectiveness of the filters is debatable at best, and [possibly fraudulent at worst](https://www.straightdope.com/21344377/do-cigarette-filters-do-anything)