Who wants to live forever? 150 already in reach; end of death possible

South African Derek Yach is among the heavy hitters in Davos this year, leading the WEF's Global Agenda Council on Longevity. In this interview with Biznews.com's Alec Hogg he unpacks how technology is expanding a human being's lifespan to double the biblical three score years and ten. But living forever with an addles mind is nobody's idea of fun - with that in mind, Yach offers sage advice on how to keep our brains healthy. His team has been taking a close look at an ideal sample group, the 50 000 Japanese who are already over 110 years old - passing on some tips.