[{"command":"settings","settings":{"ajaxPageState":{"theme":"hm_theme","theme_token":"Z3Xcp12SQrwN45cCWwJ01LqwJWiZ7XGyaZBm0mxaEfE","libraries":"eJwDAAAAAAE"},"ajaxTrustedUrl":{"form_action_p_pvdeGsVG5zNF_XLGPTvYSKCf43t8qZYSwcfZl2uzM":true},"pluralDelimiter":"\u0003","user":{"uid":0,"permissionsHash":"2af85631393b514cbde3779a1f71d92618d53b94b54ea1960d28b2e2d121ff12"}},"merge":true},{"command":"openDialog","selector":"#drupal-modal","settings":null,"data":"\u003Cdiv id=\u0022republish_modal_form\u0022\u003E\u003Cform class=\u0022modal-form-example-modal-form ecl-form\u0022 data-drupal-selector=\u0022modal-form-example-modal-form\u0022 action=\u0022\/en\/article\/modal\/13249\u0022 method=\u0022post\u0022 id=\u0022modal-form-example-modal-form\u0022 accept-charset=\u0022UTF-8\u0022\u003E\u003Cp\u003EHorizon articles can be republished for free under the Creative Commons Attribution 4.0 International (CC BY 4.0) licence.\u003C\/p\u003E\n \u003Cp\u003EYou must give appropriate credit. We ask you to do this by:\u003Cbr \/\u003E\n 1) Using the original journalist\u0027s byline\u003Cbr \/\u003E\n 2) Linking back to our original story\u003Cbr \/\u003E\n 3) Using the following text in the footer: This article was originally published in \u003Ca href=\u0027#\u0027\u003EHorizon, the EU Research and Innovation magazine\u003C\/a\u003E\u003C\/p\u003E\n \u003Cp\u003ESee our full republication guidelines \u003Ca href=\u0027\/horizon-magazine\/republish-our-stories\u0027\u003Ehere\u003C\/a\u003E\u003C\/p\u003E\n \u003Cp\u003EHTML for this article, including the attribution and page view counter, is below:\u003C\/p\u003E\u003Cdiv class=\u0022js-form-item form-item js-form-type-textarea form-item-body-content js-form-item-body-content ecl-form-group ecl-form-group--text-area form-no-label ecl-u-mv-m\u0022\u003E\n \n\u003Cdiv\u003E\n \u003Ctextarea data-drupal-selector=\u0022edit-body-content\u0022 aria-describedby=\u0022edit-body-content--description\u0022 id=\u0022edit-body-content\u0022 name=\u0022body_content\u0022 rows=\u00225\u0022 cols=\u002260\u0022 class=\u0022form-textarea ecl-text-area\u0022\u003E\u003Ch2\u003EHidden hunger in Europe: well fed yet undernourished\u003C\/h2\u003E\u003Cp\u003EWith nearly 30 years of experience in human nutrition research and teaching, Professor Kevin Cashman has dished out his fair share of nutritional advice to individuals, the media and government.\u003C\/p\u003E\u003Cp\u003ENow Chair of Food and Health at\u0026nbsp;University College Cork, Ireland, Cashman is coordinating a wide-ranging EU-funded research initiative called Zero_Hidden Hunger_EU along with his colleague Professor Mairead Kiely, recent former head of the University\u2019s School of Food and Nutritional Sciences. The multinational research team they lead is exploring the issue of hidden hunger in Europe.\u0026nbsp;\u003C\/p\u003E\u003Cp\u003EHidden hunger is when a person may have enough to eat, but is not getting sufficient amounts of one or more of the crucial vitamins or minerals needed to maintain good health.\u0026nbsp;\u003C\/p\u003E\u003Cp\u003EThe research kicked off in January 2024 and will conclude in December 2027. It brings together experts from 10 EU countries, the UK and Switzerland, as well as the International Agency for Research on Cancer, the European Food Information Council and the European Public Health Alliance.\u003C\/p\u003E\u003Cp\u003EThe researchers are working together to better understand how widespread the problem of hidden hunger is and to propose solutions that also increase the sustainability of our food system generally.\u003C\/p\u003E\u003Cp\u003EThe need to source vitamins and minerals from sustainable food systems is central to the work being carried out. This is part of the EU\u2019s general push to promote production and processing practices that are environmentally friendly and resilient as part of its Food 2030 policy.\u003C\/p\u003E\u003Ch2\u003EHidden hunger, hidden impact\u003C\/h2\u003E\u003Cp\u003EWhen you are not eating enough food, the signs of starvation are generally easy to spot. But if you are not getting enough micronutrients from the food you eat, the negative effects might go unnoticed until serious damage is done, and sometimes not even then.\u003C\/p\u003E\u003Cp\u003EThe effects of most micronutrient deficiencies may not be outwardly visible. That is why the World Health Organization (WHO) has used the term \u201chidden hunger\u201d to describe this particular form of malnutrition.\u0026nbsp;\u003C\/p\u003E\u003Cp\u003ECashman, a recent past member of the WHO\u2019s expert group on nutrient requirements for infants and young children, has focused his research primarily on vitamins D and K, as well as diet and bone health.\u003C\/p\u003E\u003Cp\u003E\u201cThe symptoms of a micronutrient deficiency can be wide-ranging, but difficult to spot,\u201d he said.\u003C\/p\u003E\u003Cp\u003E\u003Cblockquote class=\u0022tw-text-center tw-text-blue tw-font-bold tw-text-2xl lg:tw-w-1\/2 tw-border-2 tw-border-blue tw-p-12 tw-my-8 lg:tw-m-12 lg:tw--ml-16 tw-float-left\u0022\u003E\n \u003Cspan class=\u0022tw-text-5xl tw-rotate-180\u0022\u003E\u201c\u003C\/span\u003E\n \u003Cp class=\u0022tw-font-serif tw-italic\u0022\u003EThe key problem is that we don\u2019t know how prevalent micronutrient malnutrition is.\u003C\/p\u003E\n \u003Cfooter\u003E\n \u003Ccite class=\u0022tw-not-italic tw-font-normal tw-text-sm tw-text-black\u0022\u003EProfessor Kevin Cashman, Zero_HiddenHunger_EU\u003C\/cite\u003E\n \u003C\/footer\u003E\n\u003C\/blockquote\u003E\n\u003C\/p\u003E\u003Cp\u003ESome micronutrient deficiencies are more obvious. Not enough folate (vitamin B9) in the diet of pregnant women can lead to babies born with brain or spinal cord defects, for example. A global study suggests that one in five women of reproductive age in the UK may not be getting enough folate.\u003C\/p\u003E\u003Cp\u003EThe impact of other deficiencies can be less immediately visible. If your body does not get enough micronutrients, this can affect the metabolism and multiple organs may slowly deteriorate. Children are especially vulnerable because their bodies are so demanding.\u0026nbsp;\u003C\/p\u003E\u003Cp\u003E\u201cIron and zinc are crucial for growth and development. Vitamin D and calcium are also essential nutrients for supporting children as they develop,\u201d said Cashman.\u003C\/p\u003E\u003Ch2\u003EIncreased health risk\u003C\/h2\u003E\u003Cp\u003EKiely, who has over two decades of research experience in human nutrition and health, stresses the relevance of hidden hunger in adults too.\u003C\/p\u003E\u003Cp\u003E\u201cPeople might connect a lack of iron with anaemia or tiredness. But they don\u2019t necessarily connect a lack of calcium with high blood pressure during pregnancy,\u201d said Kiely. Calcium helps blood vessels tighten and relax when they need to, lowering blood pressure.\u003C\/p\u003E\u003Cp\u003EAccording to her, people can live for a long time with a low intake of essential nutrients, but over time, their cellular metabolism decreases. This affects all major organs, including the immune system, and can lead to an increased risk of disease.\u0026nbsp;\u003C\/p\u003E\u003Cp\u003E\u201cThis can put them at risk of heart disease and stroke, or leave them more vulnerable to viral or bacterial infections,\u201d she said.\u003C\/p\u003E\u003Ch2\u003ECommon deficiencies\u003C\/h2\u003E\u003Cp\u003EThe EU-funded researchers are focusing on nutrients of particular concern. This includes minerals like iron, calcium, iodine, selenium, magnesium, potassium and zinc. The main vitamins of interest include vitamin D, folate, vitamin B12 and vitamin A.\u003C\/p\u003E\u003Cp\u003ECertain parts of the population are more likely to suffer from deficiencies \u2013 the elderly, growing children and pregnant women, for instance. Altogether, they estimate that as many as 70% of the population are at risk of micronutrient deficiency.\u003C\/p\u003E\u003Cp\u003EDiet can also put some people at risk. People who follow a vegan diet are at greater risk of B12 deficiency, while those avoiding dairy may not get enough riboflavin, calcium or iodine. These are glimpses of a bigger picture, but important pieces of the puzzle are missing.\u003C\/p\u003E\u003Cp\u003E\u201cThe key problem is that we don\u2019t know how prevalent micronutrient malnutrition is,\u201d said Cashman.\u003C\/p\u003E\u003Cp\u003EAround 30% of children under 5 had iron deficiency, according to surveys in the UK. Cashman says that we do not know what the number is for the rest of Europe. These gaps in knowledge make it difficult for policymakers and politicians to decide how best to resolve the issue.\u003C\/p\u003E\u003Ch2\u003ENutrient-rich\u003C\/h2\u003E\u003Cp\u003EOne solution is for people to take supplements, but that is something that Cashman believes perhaps only a third of the population actually do.\u003C\/p\u003E\u003Cp\u003E\u201cYou can give nutritional guidance,\u201d said Cashman, \u201cbut it is not always taken up enough to have an impact on the population\u2019s health.\u201d\u003C\/p\u003E\u003Cp\u003EAnother option is to put micronutrients directly into common foods such as milk, cereals and bread.\u003C\/p\u003E\u003Cp\u003E\u003Cblockquote class=\u0022tw-text-center tw-text-blue tw-font-bold tw-text-2xl lg:tw-w-1\/2 tw-border-2 tw-border-blue tw-p-12 tw-my-8 lg:tw-m-12 lg:tw--ml-16 tw-float-left\u0022\u003E\n \u003Cspan class=\u0022tw-text-5xl tw-rotate-180\u0022\u003E\u201c\u003C\/span\u003E\n \u003Cp class=\u0022tw-font-serif tw-italic\u0022\u003EPeople might connect a lack of iron with anemia or tiredness. But they don\u2019t necessarily connect a lack of calcium with high blood pressure during pregnancy.\u003C\/p\u003E\n \u003Cfooter\u003E\n \u003Ccite class=\u0022tw-not-italic tw-font-normal tw-text-sm tw-text-black\u0022\u003EProfessor Mairead Kiely, Zero_HiddenHunger_EU\u003C\/cite\u003E\n \u003C\/footer\u003E\n\u003C\/blockquote\u003E\n\u003C\/p\u003E\u003Cp\u003EThere is a lot of variation in this approach within Europe and globally. South America, Australia, the US and Canada require certain foods to be enriched with folic acid (a synthetic form of vitamin B9), for example, while most of Europe takes a voluntary approach. A \u003Ca href=\u0022https:\/\/www.thelancet.com\/journals\/eclinm\/article\/PIIS2589-5370(23)00543-6\/fulltext\u0022\u003Erecent study in the Lancet\u003C\/a\u003E showed the impact of these approaches on folic acid levels and health.\u003C\/p\u003E\u003Cp\u003E\u201cTrying to improve the food system by putting more micronutrients into it has been shown to have the widest reach,\u201d said Cashman. But it is ultimately up to the governments of EU countries to decide whether they want to adopt a food fortification strategy, he acknowledged.\u0026nbsp;\u003C\/p\u003E\u003Ch2\u003EDigging for data\u003C\/h2\u003E\u003Cp\u003EDecisions by policymakers will be more straightforward once Europe better understands how widespread the problem of hidden hunger is and who is most impacted.\u0026nbsp;\u003C\/p\u003E\u003Cp\u003E\u201cThe data gaps are massive. You have to fill them before you can make policy,\u201d said Cashman.\u0026nbsp;\u003C\/p\u003E\u003Cp\u003ECashman attended the recent Nutrition for Growth (N4G) international summit in Paris, France, on 26 and 27 March 2025 to share what the team has learned so far about micronutrient deficiencies in Europe.\u003C\/p\u003E\u003Cp\u003EHeld every four years, N4G gathers governments, international organisations, businesses and civil society to mobilise commitments and resources aimed at improving nutrition worldwide.\u003C\/p\u003E\u003Cp\u003ECashman believes Europe can learn from countries in Africa and Asia, where problems of malnutrition are more widespread and where the impact of micronutrient deficiency on health and the economy has been more widely studied.\u003C\/p\u003E\u003Cp\u003EAccording to Cashman, the analyses carried out suggest that for every euro or dollar spent on improving nutrition, thousands can be saved in reduced healthcare costs. He hopes that the data from Europe will contribute to the combined effort to improve nutrition for all and increase the sustainability of food production.\u0026nbsp;\u003C\/p\u003E\u003Cp\u003E\u003Cem\u003EResearch in this article was funded by the EU\u2019s Horizon Programme. The views of the interviewees don\u2019t necessarily reflect those of the European Commission. 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