After a period of six weeks, the rats exposed to the colon carcinogen had about half the number of pre-cancerous growths in their colons compared to rats on a normal diet.
It has been suggested that oestrogen might be a complete carcinogen capable of causing genetic alterations and tumour initiation.
It is a multisite carcinogen , and it causes tumors in the lung, skin, urinary bladder, and most likely in other sites, in adults.
A carcinogen does not cause cancer by itself, but only in interaction with a host.
The combination of cigarette smoking and exposure to many occupational carcinogens increases risk of cancer.
The guidelines require businesses to post warnings when they expose people to carcinogens .
A second approach to evaluating the risks of passive smoking is to assess the exposure to known carcinogens produced by environmental tobacco smoke.
The risk conferred by other occupational and environmental carcinogens should also be emphasized at this time.
And are environmental carcinogens , which are a particular interest of yours, showing up in occupations?
There are a lot of registered substances that are known carcinogens .