Knowledge for better food systems

Blog: Dietary guidelines don’t work. Here’s how to fix them

Brian, Food choices, Flickr, Creative Commons License 2.0.

In a blog-piece for The Conversation, Duane Mellor (Associate Professor in Nutrition and Dietetics, University of Canberra) and Cathy Knight-Agarwal (Clinical Assistant Professor of Nutrition and Dietetics, University of Canberra) argue that it is time to rethink the purpose of dietary guidelines both in terms of content and how people adopt (or ignore) their messages.

For example, they discuss whether a more general recommendation to eat more fruit and vegetables would be more effective in shifting diets than advice to eat five portions of fruit and vegetables a day.

Read the full post here.

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While some of the food system challenges facing humanity are local, in an interconnected world, adopting a global perspective is essential. Many environmental issues, such as climate change, need supranational commitments and action to be addressed effectively. Due to ever increasing global trade flows, prices of commodities are connected through space; a drought in Romania may thus increase the price of wheat in Zimbabwe.

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