No. Because these ingredients has a chemical compound compound called sodium nitrate that's used for preserving them. If exposed to extreme heat or a highly acidic environment, sodium nitrate, like sodium nitrite, can change into nitrosamine in the body. Nitrosamine is a known carcinogen. According to a study published in the World Journal of Gastroenterology, sodium nitrate transformed into nitrosamines can cause gastric cancer.
Saturated fat and lots of sodium
Because some of them are needed in our body so that everything will be balanced.
You can't avoid them but you can lessen your intake and drink lots of water.