U.K. scientists felt the need to prove the wisdom of the five-second rule and say dropping food on carpet is better than it landing on laminate or tiled surfaces.
The researchers at Aston University dropped food such as toast, pasta, and a sticky sweet onto the floor and tested the transfer of common bacteria like E. coli and Staphylococcus aureus after three to 30 seconds.
Bacteria was least likely to transfer off carpeted surfaces, the study found.
"Consuming food dropped on the floor still carries an infection risk as it very much depends on which bacteria are present on the floor at the time; however, the findings of this study will bring some light relief to those who have been employing the five-second rule for years," researcher Anthony Hilton said in a release about the study. "We have found evidence that transfer from indoor flooring surfaces is incredibly poor."
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