The Cancer Prevention Study (frequently abbreviated CPS) is the name of a series of

cohort studies A cohort study is a particular form of longitudinal study that samples a cohort (a group of people who share a defining characteristic, typically those who experienced a common event in a selected period, such as birth or graduation), performing ...

conducted in the

United States The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country primarily located in North America. It consists of 50 states, a federal district, five major unincorporated territorie ...

by the

American Cancer Society The American Cancer Society (ACS) is a nationwide voluntary health organization dedicated to eliminating cancer. Established in 1913, the society is organized into six geographical regions of both medical and lay volunteers operating in more than ...

CPS-I

The first Cancer Prevention Study, known as CPS-I, recruited subjects between October 1959 and February 1960. This study included more than 1 million men and women. The participants were followed until 1972. The study showed that the increase in

lung cancer Lung cancer, also known as lung carcinoma (since about 98–99% of all lung cancers are carcinomas), is a malignant lung tumor characterized by uncontrolled cell growth in tissue (biology), tissues of the lung. Lung carcinomas derive from tran ...

mortality rates in women during the study's time period occurred only in smoking women. It has been described as "a key guide to national policy and changing public attitudes" with regard to the link between

cigarette A cigarette is a narrow cylinder containing a combustible material, typically tobacco, that is rolled into thin paper for smoking. The cigarette is ignited at one end, causing it to smolder; the resulting smoke is orally inhaled via the opp ...

smoking and lung cancer.

CPS-II

The second Cancer Prevention Study, known as Cancer Prevention Study II or CPS-II, is a prospective study involving about 1.2 million American men and women, recruited by 77,000 American Cancer Society volunteers. It began in 1982 under the direction of Lawrence Garfinkel. Subjects examined in this study include putative cancer risk factors such as obesity and diet.

CPS-3

The third Cancer Prevention Study, known as CPS-3, began enrollment in 2006 and completed recruitment in December 2013. The study includes over 304,000 participants.

References

{{Reflist Epidemiological study projects Cancer research American Cancer Society