The rise of vampirism in Silicon Valley

The Immortals, which begins on Radio 4 this week, is not for the faint-hearted. While it professes to be about the human quest for longevity and the elusive ‘cure’ for getting older, it focuses largely upon the transferral of blood plasma from healthy young people to reluctantly ageing people, or, as anyone with good sense might put it, the desperate descent from vanity to vampirism.