Causes and risk factors

Potential causes of cancer

Find out about what can increase your risk of getting anal cancer, what to look out for and the changes you could make to reduce your risk.

How diet can help reduce your risk of cancer

How diet can help reduce your risk of cancer

Macmillan Specialist Dietician Helen Kennedy explains how a healthy diet can reduce your risk of cancer and help if you're having treatment.

About our cancer information videos

Macmillan Specialist Dietician Helen Kennedy explains how a healthy diet can reduce your risk of cancer and help if you're having treatment.

About our cancer information videos

Anal cancer Risk factors of anal cancer

We don't know exactly what causes anal cancer. But there are things that can increase your risk.

General information Low immunity

People with poor immunity are more likely to develop some types of cancer.

General information Human papilloma virus (HPV)

Human papilloma virus (or HPV) is a common infection. Some types of HPV can increase the risk of developing cancer.