What are the scientific aims of the Generations Study?

The Breast Cancer Now Generations Study is a large, comprehensive scientific study of the causes of breast cancer, involving over 110,000 women from the UK. Its stated aim is to advance breast cancer prevention and outcomes for generations to come. In short, the study exists to investigate what causes breast cancer, with the longer-term goal of improving prevention and outcomes.

What the study is trying to find out

According to the study's own description, its central scientific purpose is to understand the causes of breast cancer. Rather than testing a single hypothesis, it is described as a "large, comprehensive" study, which indicates it is designed to examine many possible contributing factors at once across a very large group of participants.

The framing of the aim — "Advancing breast cancer prevention and outcomes for generations to come" — points to two connected goals:

• Prevention — identifying what raises or lowers risk, so that breast cancer can be prevented rather than only treated.
• Outcomes — improving what happens for people affected by breast cancer.

Why the study population matters to the aims

The study includes over 110,000 women from the UK. This scale and the UK-wide recruitment are relevant to the scientific aims because:

• A large number of participants gives the study more statistical power to detect patterns that would be invisible in a small sample.
• Following women over time allows the study to look at how factors and health outcomes unfold across generations, which is consistent with the "Generations" name.
• A defined national population makes it possible to study causes within a consistent healthcare and demographic context.

Where to find the detailed scientific aims

The website organises its information into sections, including About the Study, Scientific Aims, and Study Population. Anyone who wants the specific list of scientific aims — rather than the summary above — should go to the Scientific Aims section on the site, where the study sets out its detailed objectives.

Quick reference

If your interest is in the precise, itemised scientific objectives, the site's Scientific Aims page is the authoritative place to read them; the summary here reflects only what the study states about itself.