Cancer is a complex disease with many different types and causes. Understanding the basics is important for anyone wanting to reduce their risk, approach their diagnosis with confidence, or better support a loved one with cancer.
Support for patients and carers
If you or someone you care about have cancer, find in-depth and practical information about your cancer diagnosis, treatment and further support.
In this section
Cancer is not a single disease—there are over 100 types of cancers. Find out what is cancer, learn about the different types, plus how it starts and spreads.
The stage of a cancer describes its growth and spread at diagnosis. Cancer state is important to know as it helps doctors find the best treatment options.
A risk factor is something that increases your chance of getting cancer. Learn about cancer risk factors and speak with your GP about how to manage them.
Explore some of the key symptoms of cancer. If you notice a persistent change in your body, book an appointment to tell your doctor.
See how far we've come in treating, detecting and reducing cancers worldwide.
Find up-to-date, evidence-based resources and guidance for people affected by cancer in the wake of the COVID-19 pandemic.
