A diet enriched in fruits, vegetables, legumes, and cereals not only has positive effects on health but also reduces the emission of greenhouse gases

  • Reducing the consumption of red and processed meat would not only reduce emissions but would also improve ‘planetary health’ since greenhouse gas (GHG) emissions are responsible for the so-called climate change.
  •  This research has been carried out in the EPIC (European Prospective Investigation of Cancer) cohort of Spain that includes 40,621 people from five autonomous communities (Asturias, Murcia, Navarra, the Basque Country, and the province of Granada) and shows that 41% of the GHG emissions produced by the diet are originated from the consumption of red and processed meat and only 11% originates from the consumption of foods from plant origin.
  •  The study has been published in the scientific journal ‘European Journal of Public Health’ and has been coordinated by researchers of the Nutrition and Cancer Unit of the Catalan Institute of Oncology (ICO) and the Bellvitge Biomedical Research Institute (IDIBELL).
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A balanced diet enriched in fruits, vegetables, legumes, and cereals, not only has positive effects on health but also reduces the emission of greenhouse gases (GHG) caused by the diet. Moreover, reducing the consumption of red and processed meat would not only reduce this type of emissions but would also improve ‘planetary health’, since this type of gas is responsible for the so-called climate change. This fact would also have a direct impact on human health since the level of GHG derived from the diet affects the risk of mortality from coronary heart disease and type 2 diabetes.

These are the main conclusions of the study “Greenhouse Gases emissions from the diet and risk of death and chronic diseases in the EPIC Spain cohort” which has been recently published in the scientific journal ‘European Journal of Public Health‘ and which has been coordinated by researchers from the Nutrition and Cancer Unit of the Catalan Institute of Oncology (ICO) and the Bellvitge Biomedical Research Institute (IDIBELL).

 

Eating red meat increases greenhouse gas emissions

 

The research has been carried out with the EPIC cohort from Spain that follows 40,621 people from five different autonomous communities (Asturias, Murcia, Navarra, the Basque Country, and the province of Granada) for almost three decades. On the other hand, the GHG emission values ​​of each of the foods have been obtained from an international review that represents the most complete database that exists to date.

Thus, and based on these data, the consumption of red and processed meat originates 41% of the GHG emissions of the diet in the Spanish cohort and only 11% are originated from the consumption of fruits, vegetables, legumes, and cereals. Emissions from the consumption of red and processed meat in the diet were 4.7 times higher in heavy consumers of red meat (more than 140 g/day) than in low consumers (less than 70 g/day).

On the other hand, the study reveals, for the first time, a direct association between the level of GHG emissions from the diet with the risk of mortality. Thus, higher GHG levels increase the risk of coronary heart disease by 26% and the risk of developing type 2 diabetes by 24%. These data indicate that we should reduce the consumption of red and processed meat and increase the consumption of products of plant origin, not only to prevent these diseases but also to reduce GHG emissions and protect ‘planetary health’. According to the first author of this study, a researcher at the ICO-IDIBELL Nutrition and Cancer Unit, Carlos A. González, “these data would demonstrate the profound interrelation between human health and ‘planter health‘”.

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