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Cancer Trends Progress Report – 2007 Update

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Also in this Section
Prevention
Age at Smoking Initiation
Youth Smoking
Adult Smoking
Quitting Smoking
Health Professionals’ Advice to Quit Smoking
Secondhand Smoke
Fruit and Vegetable Consumption
Fat Consumption
Alcohol Consumption
Weight
Physical Activity
Sun Protection
Pesticides
Dioxins
Red Meat Consumption


Also in the Report
Report Highlights
Trends-at-a-Glance
Summary Tables
Prevention
Early Detection
Diagnosis
Treatment
Life After Cancer
End of Life


Prevention

Cancer can be caused by a variety of different factors and may develop over a number of years. Some risk factors can be controlled. Choosing the right health behaviors and preventing exposure to certain environmental risk factors can help prevent the development of cancer. For this reason, it is important to follow national trends data to monitor the reduction of these risk factors. This section focuses on national trends data from two major groups of risk factors: Behavioral and Environmental.

Behavioral Factors
Scientists estimate that as many as 5075 percent of cancer deaths in the United States are caused by human behaviors such as smoking, physical inactivity, and poor dietary choices. The first part of the Prevention section describes trends in the following behaviors that can help to prevent cancer.

Tobacco Use
Smoking causes about 30 percent of all U.S. deaths from cancer. Avoiding tobacco use is the single most important step Americans can take to reduce the cancer burden in this country.

Diet
Maintaining a healthy weight and eating a moderate-fat diet and enough fruits and vegetables while limiting consumption of red meat and avoiding too much alcohol is also an important step in reducing cancer risk.

Physical Activity
Obesity and physical inactivity cause about 2530 percent of several of the major cancers in the U.S., including colon, breast, endometrial, kidney, and esophageal cancers. Obesity is estimated to cause 14 percent of cancer deaths in men and 20 percent of cancer deaths in women.

Sun Protection
The number of new cases of melanoma skin cancer has increased between 1975 and 2004, with an estimated number of 60,000 new cases in 2007.

Environmental Factors
Certain chemicals, biological agents, toxins, etc. are associated with cancer development. In this section, national trends data associated with environmental exposures and their relationship to cancer are reported.

Secondhand Smoke

Chemical Exposures

The environmental measures highlighted in this report were chosen based on the availability of national trends data and their inclusion in the Healthy People 2010 Report. Because national trends data were unavailable for other environmental exposures that cause cancer, they were excluded from this report.

National Cancer InstituteDepartment of Health and Human ServicesNational Institutes of HealthUSA.gov