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Radio host Chris Stark has said he has been diagnosed with testicular cancer.

Microscopic pieces of plastic are found in human brain, liver, kidney, heart and testicular tissue.

Diseases contracted by some of the crew who flew the helicopters include lung cancer, throat cancer, testicular cancer and some rare forms of blood cancer.

His challenge aims to raise £5,000 for Movember, a charity focused on men's mental health, suicide, prostate and testicular cancer.

Matlock, who lost his father to testicular cancer at 9 years old, was in foster care.