Also, the environment and individuals' lifestyles change over time. New follow-up studies like CPS-3 are needed to understand these changes. We will be studying CPS-3 members for the next 20 to 30 years. This younger study population will have environmental and lifestyle exposures that may be meaningfully different from our previous populations and will help us further advance our understanding of the factors that cause or prevent cancer.

Finally, as we improve our understanding of what causes cancer, CPS-3 will allow us to explore new and emerging hypotheses related to cancer.

The overall goal is to enroll 500,000 adults between the ages of 30 and 65 years who have no personal history of cancer. We are specifically seeking individuals from a variety of racial and ethnic populations from across the country to better understand how to prevent cancer across all U.S. populations.

Through this landmark new study, we will continue our work to eliminate cancer as a major health concern for future generations.