Tech Tent 29: Healthy Business

How the biggest players in tech are getting interested in our health. From gadgets that log our daily activity, and the use of big data analysis in medicine, to digitally-assisted meditation, we look at what's becoming very healthy business.

Professor Amy Abernethy of Duke University, North Carolina, tells us about the potential usefulness to doctors and their patients of data logged by fitness bands and other wearable sensors. Nancy McKinstry, CEO of the Dutch medical publisher Wolters Kluwer talks to us about how data will be the driving force behind many new medical discoveries. And Los-Angeles based Buddhist monk turned startup co-founder Andy Puddicombe of Headspace.com talks about using tech to combat digital overload.

Presented by Rory Cellan-Jones, with special guest Dr Hilary Thomas, Chief Medical Adviser to the consultancy firm KPMG. Also featuring Joe Miller and Mark Ward from the BBC Online technology desk.