Most people are familiar with the 5-second rule. If food drops on the floor, it’s still clean enough to eat if you pick it up within five seconds. Is this true or just a myth? Let’s explore this idea further.
What Science Says About the 5-Second Rule
A study from Aston University in the U.K. delved into the 5-second rule. Researchers tested the bacteria content of food after being dropped on the floor. They determined that the time food remains on the floor does indeed matter. The type of floor matters as well.
As it turns out, bacteria from tile and grout has a greater probability of transferring to the food than bacteria from carpet. This is because hard floors are usually dirtier, due to inadequate cleaning methods. You may think a tile floor is clean after mopping the surface. However, all the mop really does is spread the bacteria around. This is not the case with carpet cleaning, which involves vacuuming and steam cleaning. Continue Reading →