The Breakthrough Generations Study is a large, comprehensive scientific study of the causes of breast cancer and includes over 110,000 women from the UK. Find out more about the study, its origins and purposes, and how it works.
Breast cancer in men
Although breast cancer is much less common in men than women, about 400 men are diagnosed with this disease every year in the UK, and we are conducting a national study of the causes of male breast cancer.
Study data used to find factors behind age at puberty
Research using data from the Breakthrough Generations Study has shown a wide range of factors – some beginning before a child is born – affect the age at which a girl starts her periods, an important risk factor for breast cancer.