Pickles are fermented food. They have the capacity of changing your bag mood and promoting happiness. In other words, they can prevent anxiety or neurosis. Too great to be true? Well, it has been scientifically proven. A daily consumption of pickles stimulates the serotonin production, the hormone responsible for your happiness and good mood. With this, you are able to think in a more positive way and be an optimistic person. The solution is simple: consume 1 pickle every day.