- What It’s Used In: Bronzing, Pyrotechnics, Preserving Wood, Etc.
- Problems Caused: Cancer, Lung Disease, Heart Disease
Arsenic is one of the most dangerous ingredients one could ever hope to add to something. It has been used in bronzing, pyrotechnics, and the development of specialized glass. On top of preserving wood. However, the U.S. FDA calls it a known carcinogenic as it can cause skin, bladder, and lung cancer. Along with heart disease. This has made it a popular item to poison people with.