sentence: Cigarette smoking is the most important source of cadmium.
sentences_before: Cadmium is a highly toxic metal. Dust of cadmium or its compounds is very dangerous and can kill. Some countries have banned cadmium from electronics.
sentences_after: Cadmium is thought to be carcinogenic, although people still debate whether it is other things with the cadmium that cause cancer, like arsenic.
concept_name: cigarette smoking
headings: Cadmium Safety
categories: Metals Chemical elements