Cancer starts when a cell is somehow altered so that it multiplies out of control.
There’s no cure for it, but there are treatments that may be able to cure some people of some cancers.
You’re more likely to get cancer as you get older. In fact, age is the biggest risk factor for the disease.
In 2021 (the latest year for which there are global data), Â more than 10 million people died of cancer worldwide.