integrates their proviral DNA next to protooncogenes
Healthline - 2006 Cancer Causing Agents was released on: USA: 2007
Marijuana contains no known cancer causing agents.
A carcinogen.
28!
Carcinogen are cancer causing agents, not tissues.
lots
There is really no way to remove the cancer causing agents from tobacco and still have tobacco. They are all generally the same when it comes to the chemicals they contain.
Cancer causing agents are known as carcinogens.
The byproducts of burning vegetable materials almost always contain some cancer-causing agents.
Retroviruses are a specific class of virus that infect animals and people by writing their genetic code into the DNA of the animal or human host. Some (but not all) retroviruses cause cancer, either by directly interfering with a part of the host's DNA that prevents cancer or by encouraging the expression of a part of the host's DNA that starts or enhances cancer.
It is possible that some foods can help promote cancer. Food that are processed are known to have cancer causing agents. Certain other foods carry carcinogens.
Jaquelin Dudley has written: 'Retroviruses and insights into cancer' -- subject(s): Retroviruses, Viral carcinogenesis, Oncogenic viruses, Retroviridae, Oncogenic Viruses