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The nation is getting fatter - why?

New figures show we're getting fatter James explores the issues surrounding the rise in obesity and - are we being duped by organic food producers.

Why are we getting fatter? The number of hospital admissions relating to obesity has gone up by a third and the number of patients requiring urgent treatment has risen dramatically.

Do you buy organic food because of health benefits or because they're kinder to the environment? New research suggests we're being duped on the benefits of buying naturally grown food.

This week's Treehouse Appeal figure will be exclusively revealed with James.

Following the Christchurch earthquake James looks at the science of tremors and how animals know more about them than humans.

3 hours, 30 minutes

Broadcast

  • Fri 25 Feb 2011 09:00