Do we have to age?

The biologist Andrew Steele thinks ageing is a disease that can be treated. But if we had a cure for getting old, what would that mean for us?When the biologist Andrew Steele tells people his thoughts on ageing – that we might one day cure it as if it were any other disease – they are often incredulous and sometimes hostile. Once, at a friend’s wedding, he left a group of guests mildly incensed for suggesting that near-future humans might live well into their 100s. A similar th