Experts develop new body parts
Centenarians with the bodies of 50-year-olds will one day be a realistic possibility, say scientists.
Half of babies now born in the UK will reach 100, thanks to higher living standards, but at the moment our bodies are still wearing out at the same rate.
To achieve "50 active years after 50", experts at Leeds University are spending £50m over five years looking for new, more durable hips, knees and heart valves.
Danny Savage met Professor Eileen Ingham who has been helping to develop the technology.