Basic principles regarding population studies of cancer include the incidence of a cancer and its prevalence. The incidence is the number of new cases reported in a population in a given year while the prevalence relates to the total number of diagnosed cases each year. Cancer is multifactoral in most instances and includes the interaction of genetic and environmental influences. Carcinogens may be in the form of physical agents (radiation), chemical agents (tobacco), and viral agents (hepatitis B virus). Ultimately, alterations in gene expression are the basis for all cancer.

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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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