The average person flushes the toilet five times a day and, apparently, most of us are doing it wrong. Get ready for some hard truths about why you should always leave the lid closed when you flush.

Call’s experiment proved that the toilet lid should typically be down covering the toilet before you flush — but our bathrooms are dirty no matter what. Jam Press Vid/@whatmightgrow ...

They concluded that flushing with the toilet lid down reduced airborne droplets between 30 and 60 percent. But this scenario also increased the diameter of the droplets and bacteria concentration.