They are the technological pioneers, surfing the crest of the wave as it sweeps up from the digital underground into our everyday lives and theunknownbeyond it.
Abramson and other critics argue that the rush to give cholesterol drugs to just about everyone goes beyondthe evidence and could pose unknown future side effects.
Yet scientists believe 120 or so remains a stubborn limit beyond which the human body cannot live without some serious - and so far unknown - genetic intervention.