UK researchers have found there may be some scientific basis to the “five second rule”, an urban myth that suggests it’s okay to eat food you’ve dropped if you pick it up within five seconds.
Until now, it’s been unclear about whether it actually limited the germs you ingest, but research from Aston University’s School of Life and Health Sciences have studied the transfer of common bacteria Escherichia coli (E. coli) and Staphylococcus aureus between various floor surfaces and foods.
They compared carpet, laminate and tiled surfaces that had toast, pasta, biscuits and sticky sweets dropped on them for different lengths of time, between three and 30 seconds.
They found time was a significant factor for the transfer of bacteria from floor to food.
But the type of flooring also had an effect .Carpet is less likely to facilitate a bacteria transfer than laminate or tiled surfaces.
The worst scenario…
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