[radicalamericannationalist]

The smoking example is fallacious. Your lungs are made to take in air. The anus is not designed to have things going in it.

[Physicist]

The smoking example is fallacious. Your lungs are made to take in air.

Exactly. Tobacco smoke is not air. You see?

The anus is not designed to have things going in it.

As you say. May you never be in dire need of Preparation H. An occasional colonoscopy is still not a bad idea, however.