A listener to Radio 4's popular light entertainment programme Quote Unquote wrote to the producers to tell of the conversation she overheard between two old ladies in her local Tesco's supermarket. "Have you tried these geriatrically modified foods yet?" said one. "I hear they are very good." If it has produced a genetically modified food source that can actually reverse the ageing process, Monsanto is not telling. {{COUNTERPOINT }}

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