Study: Five-second rule is too generous for fallen food

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NEW BRUNSWICK, N.J. — It might be time to reconsider the five-second rule when thinking about eating food that has fallen on the floor.

Researchers at Rutgers University in New Jersey say in a new study that bacteria can contaminate food that falls on the floor instantaneously.

The findings were published this month in the American Society for Microbiology’s journal.

Researcher Donald Schaffner says the five-second rule is a “significant oversimplification of what actually happens when bacteria transfer from a surface to food.”

Schaffner’s research isn’t the first to conclude that as favorite excuse for why that yummy snack that fell on the ground is still OK to eat is wrong.

The research did find that longer contact time means more bacterial transfer, but that the type of food and surface is just as, or more, important.

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