 And also they stress out the whole immune system. So when they go into the gut, the gut doesn't really know how to process them because those don't really occur in nature. It's not like a salad or a fruit or a piece of meat that's not overly burnt. So that's something to be aware of. And on top of that, during the barbecues, we all get tempted sometimes to squirt on that ketchup. But most ketchup, unless you look at the label, is filled with high fructose corn syrup.