What is a carcinogen?

A carcinogen is any substance that can cause cancer. Carcinogens do not cause cancer in every case. Some carcinogens may cause cancer only after a prolonged and high level of exposure.
A number of national and international agencies conduct testing on various substances to determine their cancer-causing potential.
This answer is based on source information from The National Cancer Institute.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.