Contraceptive coils 'could halve the risk of developing cervical cancer'

Scientists from Llobregat Hospital in Catalonia, Spain, found that, believe inserting the devices may destroy pre-cancerous cells or provoke an immune response.

Source: http://www.dailymail.co.uk/health/article-2037125/Contraceptive-coils-halve-risk-developing-cervical-cancer.html?ITO=1490

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