We know there are substances in our environment that are proven carcinogens—ionizing radiation, electromagnetic fields, organochlorines, pesticides and herbicides.
A carcinogen is a substance which can cause cancer. a substance that can cause cancer. Agent that can cause cancer. Exposure to one or more carcinogens, including certain chemicals, radiation, and certain viruses, can initiate cancer under conditions not completely understood. Some people have a genetic tendency to develop cancer when exposed to a specific carcinogen or combination of carcinogens. Repeated local injury or irritation to a part of the body can be carcinogenic. Identifying and eliminating carcinogens in time can reduce the incidence of cancer