Even after flushing, the toilet may still have an unpleasant odor caused by mold or plumbing problems. A closed lid will prevent odors from spreading. In addition, an open toilet does not look very aesthetically pleasing, while a closed toilet lid looks much more impressive.
If there are animals in the house, a closed lid on the toilet will prevent them from drinking water from it.
Also, a closed lid on the toilet will be a reliable barrier in case hygiene items fall from the shelves.
The authors of the article called for introducing the habit of closing the toilet lid every time after visiting the toilet.
