Come on. You know we all do it. Use the 5 second rule for food that drops on the floor. I first learned of the 5 second rule while camping, which is also when you are really hungry, and the 5 second rule makes total sense.
Jillian Clarke won an "Ig Noble" award for her research on the validity of this wisdom, and a team of researchers at Clemson actually tested and quantified their research. I'm going to spare you the details and give you the conclusion: uh, yes, if you drop your bologna on a really contaminated surface, it will get contaminated, within 5 seconds.
Now, who is doing the research on the death of common sense?