Is it true that … you have five seconds’ grace after dropping food on the floor? (opens in new tab)  🌀Fidget Toys  Content type: News

Many of us have reassured ourselves with the ‘five second rule’, but bacteria can transfer almost immediately – and sticks around for hoursYou drop a piece of cucumber on the floor. Do you immediately throw it in the bin or reassure yourself of the age-old “five-second rule” and reckon it’s fine to pop it in your mouth after a quick rinse?If you fall into the latter camp, John Tregoning, professor of vaccine immunology at Imperial College London, has some bad news. He refers to three studies ...