‘Planetary health diet’ aiming to save the earth is slammed by experts

‘Planetary health diet’ which suggests we should swap meat and diary for BEANS to save the earth is slammed by experts as ‘radical and irresponsible’

  • The report published Wednesday was compiled by a panel of nutrition, agriculture and environmental experts from 16 different countries  
  • It recommends a plant-based diet, citing previously published studies that have linked red meat to increased risk of health problems 
  • It says people should consume only one serving of red meat per week, less than four eggs per week and about one serving of dairy per day, or less 
  • It works out daily as just a quarter of a rasher of bacon, a fifth of an egg or and one and a half chicken nuggets 
  • The panel claims the diet would prevent millions of deaths by slashing obesity 
  • Experts say the evidence behind the suggestions ‘is not as strong as it seems’ 
  • They expressed concern that implementing such drastic diet changes across cultures could have unintended consequences
  • The US National Pork Producers decried the report, saying: ‘The EAT-Lancet report is based on dubious science and is irresponsible’ 

A radical new ‘planetary health diet’ which suggests people should replace nearly all meat and dairy with beans while doubling their vegetable intake has been widely ridiculed by experts who say there is not substantial evidence to back up the recommendations. 

The almost-entirely plant-based diet was outlined in a new report that aims to overhaul the world’s food consumption and save the planet at the same time. 

The recommendations, which came from a panel of nutrition, agriculture and environmental experts across 16 countries, are largely based on previously published studies that have linked red meat to increased risk of health problems. 

Under the diet, people are only allowed to eat one serving of red meat per week, less than four eggs per week and less than one serving of dairy per day. It works out daily as just a quarter of a rasher of bacon, a fifth of an egg or and one and a half chicken nuggets.

The panel claims that following those guidelines could save millions of lives by slashing obesity rates.  

However, nutritional experts have expressed concern that implementing such drastic diet changes across countries and cultures is irresponsible and could have unintended consequences.  

A radical new ‘planetary health diet’ which suggests people should replace nearly all meat and dairy with beans while doubling their vegetable intake has been widely ridiculed by experts who say there is not substantial evidence to back up the recommendations.  The graphic above shows the suggested daily food intake outlined in the report by a panel of international nutrition, agriculture and environmental experts

The report comes amid recent studies of how eating habits affect the environment. Producing red meat takes up land and feed to raise cattle, which also emit the greenhouse gas methane.

John Ioannidis, chair of disease prevention at Stanford University, said he welcomed the growing attention to how diets affect the environment, but that the report’s recommendations do not reflect the level of scientific uncertainties around nutrition and health.

‘The evidence is not as strong as it seems to be,’ Ioannidis told AP.

The report was organized by EAT, a Stockholm-based nonprofit seeking to improve the food system, and published Wednesday by the medical journal Lancet. The panel of experts who wrote it says a ‘Great Food Transformation’ is urgently needed by 2050, and that the optimal diet they outline is flexible enough to accommodate food cultures around the world.

THE STRICT DIET WHICH CLAIMS TO SAVE THE PLANET 

Slash meat intake: 

Eat no more than a quarter of a rasher of bacon, a fifth of an egg or just one and a half chicken nuggets daily.

Only one serving of red meat is allowed each week. 

Reduce dairy consumption: Consume  a maximum half a pint of milk a day.

Boost plant proteins: Replace meat and daily with beans, lentils and soy.  

Limit sugar: No more than 31g of sugar or artificial sweetener allowed daily –  or two thirds of a Starbucks Caramel Frappuccino 

Overall, the diet encourages whole grains, beans, fruits and most vegetables, and says to limit added sugars, refined grains such as white rice and starches like potatoes and cassava. 

It says red meat consumption on average needs to be slashed by half globally, though the necessary changes vary by region and reductions would need to be more dramatic in richer countries like the United States.

Convincing people to limit meat, cheese and eggs won’t be easy, however, particularly in places where those foods are a notable part of culture.

In Sao Paulo, Brazil, systems analyst Cleberson Bernardes said as he was leaving a barbecue restaurant that limiting himself to just one serving of red meat a week would be ‘ridiculous.’ 

In Berlin, Germany, craftsman Erik Langguth said there are better ways to reduce greenhouse gas emissions, and dismissed the suggestion that the world needs to cut back on meat.

‘If it hasn’t got meat, it’s not a proper meal,’ said Langguth, who is from a region known for its bratwurst sausages.


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Before even factoring in the environmental implications, the report sought to sketch out what the healthiest diet for people would look like, said Walter Willett, one of its authors and a nutrition researcher at Harvard University. 

While eggs are no longer thought to increase risk of heart disease, Willett said the report recommends limiting them because studies indicate a breakfast of whole grains, nuts and fruit would be healthier.

He said everybody doesn’t need to become a vegan, and that many are already limiting how much meat they eat.

‘Think of it like lobster – something that I really like, but have a few times a year,’ Willett said.

Advice to limit red meat is not new, and is tied to its saturated fat content, which is also found in cheese, milk, nuts and packaged foods with coconut and palm kernel oils. The report notes most evidence on diet and health is from Europe and the United States. 

In Asian countries, a large analysis found eating poultry and red meat (mostly pork) was associated with improved lifespans. That might be in part because people might eat smaller amounts of meat in those countries, the report says.

The report published Wednesday, which was organized by EAT, a Stockholm-based nonprofit seeking to improve the food system, recommends a plant-based diet, based on previously published studies that have linked red meat to increased risk of health problems. The photo above shows a plant-based burger made from wheat protein, coconut oil and potato protein

Ioannidis of Stanford noted nutrition research is often based on observational links between diet and health, and that some past associations have not been validated. Dietary cholesterol, for example, is no longer believed to be strongly linked to blood cholesterol.

The meat and dairy industries also dispute the report’s recommendations, saying their products deliver important nutrients and can be part of healthy diets.

The US National Pork Producers Council said: ‘The EAT-Lancet report is based on dubious science and is irresponsible.’

Kay Johnson Smith, President and CEO of the Animal Agriculture Alliance, said the recommendations would be counterproductive to two of the report’s main concerns: sustainability and undernutrition. 

‘US farmers and ranchers lead the world in efficient practices that deliver unmatched nutrition while conserving natural resources and decreasing environmental impact,’ the council said. 

‘The EAT-Lancet Commission ignores evidence of meat and dairy’s contributions to healthy, sustainable diets. The Commission’s radical recommendations to drastically limit meat and dairy consumption would have serious, negative consequences for the health of people and the planet.’

Nutritional experts have expressed concern that implementing such drastic diet changes across countries and cultures is irresponsible and could have unintended consequences

Andrew Mente, a nutrition epidemiology researcher at McMaster University, urged caution before making widespread dietary recommendations, which he said could have unintended consequences.

Still, the EAT-Lancet report’s authors say the overall body of evidence strongly supports reducing red meat for optimal health and shifting toward plant-based diets. They note the recommendations are compatible with the US dietary guidelines, which say to limit saturated fat to 10 percent of calories.

While people in some poorer counties may benefit from getting more of the nutrients in meat and dairy products, the report says they shouldn’t follow the path of richer countries in how much of those foods they eat in coming years.

Though estimates vary, a report by the United Nations said livestock is responsible for about 15 percent of the world’s gas emissions that warm the climate.

Robbie Andrew, a senior researcher at CICERO Center for International Climate Research in Norway, said farming practices that make animals grow faster and bigger may help limit emissions. But he said cows and other ruminant animals nevertheless produce a lot of methane, a powerful greenhouse gas.

‘It’s very difficult to get down these natural emissions that are part of their biology,’ Andrew said.

The environmental benefits of giving up red meat depend on what people eat in its place. Chicken and pork produce far fewer emissions than beef, Andrew said, adding that plants in general have among the smallest carbon footprints.

Brent Loken, an author of the EAT-Lancet report, said the report lays out the parameters of an optimal diet, but acknowledged the challenge in figuring out how to work with policy makers, food companies and others in tailoring and implementing it in different regions. 

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