Science and medicine have achieved things that seem almost miraculous in the past 200 years, allowing us to live longer and healthier lives than ever before. But is there a danger of going too far, whether it is manipulating genes or regulating our lives? And if we care so much about health, how should our care be organised in the future?

Introduced by Helen Jamison, head of media relations, Wellcome Trust, & Sandy Starr, communications officer, Progress Educational Trust; webmaster, BioNews