Cancer cases among under-50s around the world appear to have risen sharply in the past 30 years. Studies show there are rising numbers of breast, colorectal and other cancers in people in their 20s, 30s and 40s. But what is driving the increase and can anything be done to stop it?

Presenter Jonny Dymond speaks to freelance health journalist David Cox about what scientists think could be driving this worrying trend.

00:00 Intro.
01:20 Natalie’s story.
02:24 When did we find this trend?
03:36 Types of cancer.
04:53 Testing in younger people.
05:54 Where is this happening?
06:29 Why is this happening?
07:45 What are the causes?
11:05 Cancer risk for women.
13:26 What is being done?
17:18 Goodbye.

Image credit: Getty Images/Choja.

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