For cancer-causing substances such as benzene, she said, the number should approach zero.

Scientists are more certain about radon risks than from most other cancer-causing substances.

Removing drugs, metals, toxins, and cancer-causing substances from the body.

He has accepted all 200 of the panel's previous findings on cancer-causing substances.

But the results also prompted action by government agencies to eliminate or reduce exposure to certain cancer-causing substances.

So far, prostate cancer has not been linked to common cancer-causing substances in the environment.

Small amounts of the cancer-causing substance were also found on some rooftops and in the courtyard behind a funeral home.

And the damage caused by exposure to some cancer-causing substances like asbestos can never be undone.

But we'll never be able to remove from the environment all cancer-causing substances.

Aflatoxins, cancer-causing substances made by a type of plant mold, have also been implicated.