459 research outputs found

    Impact of foods with health logo on ssaturated fat, sodium and sugar intake of young Dutch adults

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    Objective Health logos are introduced to distinguish foods with ‘healthier’ nutrient composition from regular foods. In the present study, we evaluated the effects of changed food compositions according to health logo criteria on the intake of saturated fat, sugar and sodium in a Dutch population of young adults. Design Foods in the Dutch food composition table were evaluated against nutrient criteria for logo eligibility. Three replacement scenarios were compared with the nutrient intake ‘as measured’ in the Dutch consumption survey. The foods not complying with health logo criteria were replaced either by ‘virtual’ foods exactly complying with the health logo criteria, with real 2007 market shares (scenario I) and 100 % market shares (scenario II), or by existing similar foods with a composition that already complied with the health logo criteria (scenario III). Results The percentage reduction in nutrient intake with the current 2007 market shares of ‘health logo foods’ was -2·5 % for SFA, 0 % for sodium and -1 % for sugar. With a 100 % market share these reductions would be -10 % for SFA, -4 % for sodium and -6 % for sugar. This may lead to a reduction of -40 % for SFA, -23 % for sodium and -36 % for sugar in the most optimal replacement scenario. Conclusions With ‘health logo foods’, available in 2007 and current consumption patterns, small reductions can be achieved for SFA and sugar. For additional reductions, lowering the fat/sodium content of meat (products) towards health logo criteria and drinks without sugar towards limits far below health logo criteria would be the most effective reformulation strategy

    A chlorine balance for the Netherlands (Part 1)

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    Wetensch. publicatieInstitute of Environmental Science

    "Never Regard Yourself As Already So Thoroughly Informed": The Withdrawal of its Invitation to Rodney Syme to Address its 2015 Congress by the Royal Australasian College of Physicians

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    In 1628, William Harvey presented his revolutionary theory of the circulation to ears at the Royal College of Physicians that had been deafened by the unquestionable authority of Galen’s teachings, from one and a half millennia in the past. Harvey’s theory was initially rejected, despite his faith in his colleagues being eager for truth and knowledge, and never regarding themselves as so well informed that they would not welcome “further information”. Recently Rodney Syme, the retired Melbourne urologist who for a long time has agitated for the legalisation of assisted dying, and also challenged the authorities to apply the current law in response to his admitted assistance to a number of individuals, was invited to address the 2015 Congress of the Royal Australasian College of Physicians. At the eleventh hour, the invitation to speak was withdrawn. In this column, we trace the course of events leading to this withdrawal of the invitation, and describe some of the correspondence to and from the College in response to the withdrawal. We draw parallels between the experiences of Harvey and Syme, and point to lessons to be learnt from the recent episode of apparent unwillingness, on the part of an institution that seeks to present itself as outward-looking, progressive and socially aware, to fulfil this promise in the increasingly important area of the end-of-life

    ‘Teamwerk in de wijk’. Overkoepelende rapportage 2021-2022

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    The politics and administration of institutional chang

    Southeast of What? Reflections on SEALS\u27 Success

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    In epidemiologic studies, measurement error in dietary variables often attenuates association between dietary intake and disease occurrence. To adjust for the attenuation caused by error in dietary intake, regression calibration is commonly used. To apply regression calibration, unbiased reference measurements are required. Short-term reference measurements for foods that are not consumed daily contain excess zeroes that pose challenges in the calibration model. We adapted two-part regression calibration model, initially developed for multiple replicates of reference measurements per individual to a single-replicate setting. We showed how to handle excess zero reference measurements by two-step modeling approach, how to explore heteroscedasticity in the consumed amount with variance-mean graph, how to explore nonlinearity with the generalized additive modeling (GAM) and the empirical logit approaches, and how to select covariates in the calibration model. The performance of two-part calibration model was compared with the one-part counterpart. We used vegetable intake and mortality data from European Prospective Investigation on Cancer and Nutrition (EPIC) study. In the EPIC, reference measurements were taken with 24-hour recalls. For each of the three vegetable subgroups assessed separately, correcting for error with an appropriately specified two-part calibration model resulted in about three fold increase in the strength of association with all-cause mortality, as measured by the log hazard ratio. Further found is that the standard way of including covariates in the calibration model can lead to over fitting the two-part calibration model. Moreover, the extent of adjusting for error is influenced by the number and forms of covariates in the calibration model. For episodically consumed foods, we advise researchers to pay special attention to response distribution, nonlinearity, and covariate inclusion in specifying the calibration model

    Deliverable 6.1 - Demonstration prototype of the EuroMix model toolbox

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    This document describes in short the new features in a demonstration prototype of the EuroMix toolbox, developed as MCRA 8.2. An important aim of the EuroMix project is to develop and implement a web-based platform (the EuroMix toolbox) including data and models accessible to all key-actors in risk assessment and risk management. In the EuroMix project the development of a mixture selection module based on exposure was prioritised, because the choice of chemicals for the experiments depended on this. A mixture selection module was therefore developed, based on a method called sparse non-negative matrix under-approximation (SNMU). The mixture selection module was then applied to French and Dutch data, leading to a list of suggested chemicals for each adverse outcome pathway in the project

    Scenarios for anthropogenic copper demand and supply in China: implications of a scrap import ban and a circular economy transition

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    Copper is widely used in buildings, transportation and home appliances, resulting in steadily increasing demand in China. From 2013 on, China has implemented the "Green Fence" policy to restrict copper scrap imports, which have affected and will continue to affect its future copper supply. To explore how China's copper demand can be met in the future, including the effects of the "Green Fence" policy change, in this paper a stock-driven approach is combined with a scenario analysis. We compare two scenarios (Continuity Policy, Circular Economy) and assess the influence of the "Green Fence" policy on each. We conclude that effective measures to prolong product lifetime could lead to a significant reduction in copper demand. Given the limited scope for domestic mining, China will still have to depend largely on imports of primary material in the form of concentrates and refined copper or, otherwise, put major emphasis on its recycling industry and continue to import high-quality copper scrap. In combination with the establishment of a state-of-the-art, efficient and environmentally friendly recycling industry, secondary copper could satisfy the bulk of Chinese copper demand and this could be an opportunity for China to transition to a more circular economy with regard to copper.Industrial Ecolog
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