Identify Any Fallacies in the Following Passage Either by Naming

Essay

Identify any fallacies in the following passage either by naming them or, where they seem not to conform to any of the patterns described in the text, by giving a brief explanation of why the fallacious reasoning is irrelevant to the point at issue.
All this talk about secondhand smoke causing cancer, I just don't get it. How does it happen? WHEN does it happen? The first time you take a breath in a smoky room? The second time? The third? You can never pin it down exactly.