Is anyone following dietary guidelines?

有人遵循饮食指南吗?

The Food Chain

艺术

2025-01-23

26 分钟
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Around 100 countries have official dietary guidelines, and more are on their way. But who is following them? Ruth Alexander asks how realistic healthy-eating advice is as she explores how official recommendations are developed, what they’re trying to achieve, and the obstacles standing in our way. We hear from Fatima Hachem, Senior Nutrition Officer at the United Nation’s Food and Agriculture Organisation, about how her team offers support to countries designing dietary guidelines. Chiza Kunwenda, senior lecturer in the Department of Food Science and Nutrition at the University of Zambia, tells us how he and a team of others drew up the latest dietary guidelines for Zambia and other countries in Africa. In Argentina, as well as advice, the government has issued black octagonal warning labels on foods high in salt sugar, saturated fats and calories. Are people taking notice? And can people around the world afford to eat according to guidelines? Dr Anna Herforth co-directed the Food prices for Nutrition project at Tufts University in the United States, tells us what she found. We also hear from shoppers at a community food outlet in the North West of England, about how cost is barrier to healthy eating. (Image: a plate of food showing suggested dietary guidelines. Credit: Getty Images/BBC) If you’d like to contact the programme, email thefoodchain@bbc.co.uk. Producers: Hannah Bewley and Izzy Greenfield.
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  • This BBC podcast is supported by ads outside the uk.

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  • From CBC and the BBC World Service.

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  • He joined me as next I'm having my morning bowl of porridge made with milk and with seeds on top.

  • I've already had a coffee.

  • I'd say a pretty healthy start to the day.

  • It's probably all downhill from here, mind.

  • I do try to follow the UK's Dietary Guidelines illustrated as a circle like a plate that's divided into segments.

  • More than a third should be vegetables and fruit, the same amount carbohydrates, a bit less than a sixth protein and a smaller segment dairy.

  • But if I'm honest, I suspect I have more carbs and dairy than I should.

  • Not to mention salt and sugar.

  • Around 100 countries have dietary guidelines like these.

  • More are in production.

  • So in this week's edition of the Food Chain from the BBC World Service with me, Ruth Alexander, I'm finding out how and why they're drawn up, whether we stick to them, if not, why not, and what's the point of them?

  • Governments have been giving out dietary advice for many years.

  • In fact, they first started coming out at the turn of the 20th century as scientists were on their way to discovering the importance of vitamins.

  • A quart of milk, 3/4 of a pound of moderately fat beef, sirloin steak, for instance, and 5 ounces of wheat flour all contain about the same amount of nutritive material.

  • But we paid different prices for them and they have different values for nutriment.