Head and neck cancer survival rates tripled with cheap painkillers
Common and cheap painkillers boost survival rates if cancer contains one specific gene.
Crucial gene found in about one-third of head and neck cancers.
Ibuprofen and aspirin boosted survival rates from 25 per cent to 78 per cent .
Head and neck cancers are diagnosed in about 12,000 people in Britain each year.
University of California San Francisco studied survival rates five years after diagnosis.