Scientists develop cheap and quick spit test for prostate cancer

DNA test, which takes seconds to collect, can detect men at high risk and spare others unnecessary treatment

Scientists have developed a spit test that could “turn the tide” on prostate cancer worldwide by spotting the disease earlier, detecting where men are at high risk and sparing others unnecessary treatment.

The number of men diagnosed with prostate cancer worldwide is projected to double to 2.9 million a year by 2040, with annual deaths predicted to rise by 85%. It is already the most common form of male cancer in more than 100 countries.

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