Carcinogens as a Cause of Cancer

Most cancers are not the result of inherited abnormal genes. They are the result of environmental factors. Some carcinogens have been known and understood for a long time. Others are being discovered through current research. The research is difficult because many cancers develop from the combined effects of more than one carcinogen on the DNA. Carcinogens enter the body through the skin or through the nose, mouth, or other openings.

Sometimes it is apparent that people who work at particular jobs tend to get certain types of cancer. Experts study chemicals or other substances these people encounter in their work. The first step is to test the suspect substance on laboratory animals such as mice or rats. If a large percentage of the animals develop cancer, the researchers go on to evaluate the effect of the substance on people. They do this by comparing a group of people who have been exposed to the agent to a group of people who have not been exposed. If the exposed group has a higher rate of a certain cancer, this is strong evidence that the substance is a carcinogen.

Asbestos is an example of a cancer-causing agent that took years to discover. Asbestos was once commonly used

10 Ways To Fight Off Cancer

10 Ways To Fight Off Cancer

Learning About 10 Ways Fight Off Cancer Can Have Amazing Benefits For Your Life The Best Tips On How To Keep This Killer At Bay Discovering that you or a loved one has cancer can be utterly terrifying. All the same, once you comprehend the causes of cancer and learn how to reverse those causes, you or your loved one may have more than a fighting chance of beating out cancer.

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