1, containing one of the three major carcinogens: nitrites (preservative and color development);
2, containing a large number of preservatives, aggravating the burden on the liver.
Some people even eat sausages in advance without curing. In fact, eating this kind of fresh sausage is easy to cause food poisoning, and even endanger people's health and life.
Sausage is generally made of pork fat mixed with some other meat or various ingredients into the filling, I want to eat more will grow meat, because it contains a lot of fat so eat a little less good. And some of the sausages sold on the market are not very hygienic from the production method. I'm not sure if you're going to be able to get a good deal out of it.