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Cancer cells have been proven to routinely develop within the average body, it is still a rare occurrence to have the cancerous cells evolve into a tumor. This is mainly because the body maintains a defense system against the development of tumors within the production of specialized proteins, called transcription factors, which stop the cell cycle in order to attempt to fix the affected DNA. These proteins are activated after a strand of DNA proves to be affected or changed in a negative way. The immune system also produces T-cells which are quick to eradicate foreign entities within the body.
There are several risk factors which have proven to be connected to the development and progression of cancer within individuals. These risks include smoking tobacco, heavy alcohol usage, and exposure to poisonous materials in the work place. Years and years of extensive research has shown the extreme risks these types of behavior have within the larger American population. I personally have lost my grandfather to lung cancer after he spent over twenty-five years smoking both cigarettes and cigars. These behaviors need to be taken more seriously in order to prevent further deaths.
3. Several different cancers affect women and men separately. The cancer most prevalent in women is breast cancer, which kills over 40,000 women in America each year, (National Cancer Institute, 2008). Breast cancer is followed by lung cancer and colorectal cancer, (Medicinenet.com, 2008). Men are most afflicted by prostate cancer, which is then followed also by lung and colorectal cancer. The most vicious and notorious cancers, which are responsible for the most amount of deaths in the United States are lung cancer and breast cancer. Together these two cancers are responsible for hundreds of thousands of deaths per year.
Works Cited
Medicinenet.com. "Leading Cancers in Women, Men, & Children." www.medicinenet.com.2008. Retrieved on 4 May, 2008 at http://www.medicinenet.com/script/main/art.asp?articlekey=25264
National Cancer Institute. "Cancer in Women." U.S. Institutes of Health.
A www.cancer.gov.2008. Retrieved 4 May, 2008 at http://www.cancer.gov/cancertopics/types/womenscancers
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