Carcinogen: cancer-triggering substances

Carcinogen: cancer-triggering substances Carcinogens (carcinogene) is a material which can lead to cancer or malignancy. Carcinogens can affect DNA or a protein whose role in the regulation of cell division cycle, such as the protooncogene or tumor supressorgene.   In general, carcinogens can be divided into three groups, namely chemicals, radiation, and viruses. The three groups always exist in