Audio: Spotlight lecture: Why are we not all fat?

The last 50 years represent the first time in history in which the developed world have had access to abundant calories, so it’s unsurprising that obesity is common. What’s more puzzling is that there are still lots of lean people. Professor Stephen O’Rahilly explains fundamental biological processes that regulate energy balance and how these interacted with evolutionary forces over many millennia.

(Clip 1) Steve O’Rahilly examines why everybody isn’t obese:

(Clip 2) Find out about more about the research into obesity:

(Clip 3) O’Rahilly explores whether genetic or childhood environment is a bigger contributing factor in obesity:

Listen to the talk in full here: http://www.sms.cam.ac.uk/media/1118088

Cambridge Science Festival

Audio: Spotlight lecture: Why are we not all fat?

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