What can cause breast cancer?

Our genes, our lifestyle and life choices and our surrounding environment can all affect our risk of developing breast cancer. There may be steps you can take to reduce your risk. Find out more.

Lifestyle

How our lifestyle and choices affect breast cancer risk

Genes and body

How our genes and body traits affect breast cancer risk

Environment

Find out about how things we are exposed to can affect our risk of breast cancer.

Reducing your risk

Find out what lifestyle choices you can make to help lower breast cancer risk

Myths about causes of breast cancer

Clearing up some of the myths about the causes of breast cancer