Is eating food that has fallen to the floor ever truly safe? Many cling to the “five-second rule,” which asserts that, if you pick up dropped food within five seconds of dropping it, it is safe to ...

Yet, 45% adhere to the age-old 'five second rule' when it comes to dropped food with 28% observing it most of the time - and an additional 15% are unbothered by the idea of eating a fallen grape ...

With the exception of buttery toast that lands yellow side down, dropped food is good, so long as you pick it up ASAP. At least, that's the conventional wisdom of anyone who subscribes to the five ...