It is really amazing what you learn when you start poking around. Here is a link for an article about viruses called bacteriophages that are sprayed on the food supply. Did you know that you were consuming a virus with your ham sandwich? The virus hypothetically kills bacteria which may or may not be on the food supply.
The FDA approved this. Did the average consumer know this? I didn't. I'm the average consumer.
This is the website of the company that creates this complex battle of viruses and bacteria on top of your food and inside your mouth and digestive tract.
It is no surprise that people are diseased when our food supply is altered.