Simple home traditions often travel across generations because people notice small improvements in their living spaces.
One of the most widely shared household practices involves cutting a lemon into four pieces, sprinkling salt on top, and placing it in a room overnight.
At first glance, it seems almost too simple to have any effect. Yet many households around the world still use this method to freshen indoor air, reduce unpleasant odors, and create a cleaner-feeling environment.
