Antibiotics have become the medical answer to all ailments, and while they do have their place, they have been abused and over used for years. This has led to the need for stronger and stronger antibiotics and to more damage to the micro biome, the good bacterial ecosystem in the human gut.
There is mounting evidence that the addition of cultured foods and drinks from sauerkraut to kefir to miso and more can help replenish your gut with much needed probiotic bacteria. In addition, prebiotics, the raw vegetable fiber that encourage probiotic growth is essential. Cultured vegetables can provide both the prebiotic environment and the probiotic cultures to help your gut replenish the micro biome.
This is a great article from Natural News for more information.