April 11--The American Cancer Society is gathering participants for the National
Cancer Prevention Study 3, the fourth generation of a study that uses long-term
surveillance of volunteers to help identify cancer trends.
The first study was called the Hammond_Horn Study and lasted from 1952 to 1955.
The first Cancer Prevention study (CPS1) began in the 1950s, and the second
study started in 1982.
The ability to compare notes on studies over generations is credited with
detecting associations, the Cancer Society says. The studies are credited with
showing the link between smoking and lung cancer, the link between larger waist
size and increased death rates from cancer, and the impact of air pollution on
heart and lung conditions.
The study that started in 1982 continues. "But changes in lifestyle and in the
understanding of cancer ... make it important to begin this new study," the
Cancer Society said in a statement.
The studies spur research for explanations, treatments and alerts, the Cancer
To join the study in the St. Louis region, volunteers:
--Must be between 30 and 65 and have never been diagnosed with cancer.
--Complete an online questionnaire about lifestyle, behavior and other
--Meet in person for a half-hour interview and checkup which includes giving a
blood sample and waistline measurements.
The study needs 300,000 people from across the United States and Puerto Rico.
Researchers are seeking a diversity of racial, ethnic and economic backgrounds.
Over the years, the Cancer Society will send individuals follow-up surveys as
well as an annual newsletter with updates and results. That information will be
compared with the information from millions of predecessor volunteers, the
Cancer Society says.
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