Dataset Information

Food biodiversity and total and cause-specific mortality in 9 European countries: An analysis of a prospective cohort study.

ABSTRACT:

Background

Food biodiversity, encompassing the variety of plants, animals, and other organisms consumed as food and drink, has intrinsic potential to underpin diverse, nutritious diets and improve Earth system resilience. Dietary species richness (DSR), which is recommended as a crosscutting measure of food biodiversity, has been positively associated with the micronutrient adequacy of diets in women and young children in low- and middle-income countries (LMICs). However, the relationships between DSR and major health outcomes have yet to be assessed in any population.

Methods and findings

We examined the associations between DSR and subsequent total and cause-specific mortality among 451,390 adults enrolled in the European Prospective Investigation into Cancer and Nutrition (EPIC) study (1992 to 2014, median follow-up: 17 years), free of cancer, diabetes, heart attack, or stroke at baseline. Usual dietary intakes were assessed at recruitment with country-specific dietary questionnaires (DQs). DSR of an individual's yearly diet was calculated based on the absolute number of unique biological species in each (composite) food and drink. Associations were assessed by fitting multivariable-adjusted Cox proportional hazards regression models. In the EPIC cohort, 2 crops (common wheat and potato) and 2 animal species (cow and pig) accounted for approximately 45% of self-reported total dietary energy intake [median (P10-P90): 68 (40 to 83) species consumed per year]. Overall, higher DSR was inversely associated with all-cause mortality rate. Hazard ratios (HRs) and 95% confidence intervals (CIs) comparing total mortality in the second, third, fourth, and fifth (highest) quintiles (Qs) of DSR to the first (lowest) Q indicate significant inverse associations, after stratification by sex, age, and study center and adjustment for smoking status, educational level, marital status, physical activity, alcohol intake, and total energy intake, Mediterranean diet score, red and processed meat intake, and fiber intake [HR (95% CI): 0.91 (0.88 to 0.94), 0.80 (0.76 to 0.83), 0.69 (0.66 to 0.72), and 0.63 (0.59 to 0.66), respectively; PWald < 0.001 for trend]. Absolute death rates among participants in the highest and lowest fifth of DSR were 65.4 and 69.3 cases/10,000 person-years, respectively. Significant inverse associations were also observed between DSR and deaths due to cancer, heart disease, digestive disease, and respiratory disease. An important study limitation is that our findings were based on an observational cohort using self-reported dietary data obtained through single baseline food frequency questionnaires (FFQs); thus, exposure misclassification and residual confounding cannot be ruled out.

Conclusions

In this large Pan-European cohort, higher DSR was inversely associated with total and cause-specific mortality, independent of sociodemographic, lifestyle, and other known dietary risk factors. Our findings support the potential of food (species) biodiversity as a guiding principle of sustainable dietary recommendations and food-based dietary guidelines.

SUBMITTER: Hanley-Cook GT

PROVIDER: S-EPMC8559947 | biostudies-literature | 2021 Oct

REPOSITORIES: biostudies-literature

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Publications

Food biodiversity and total and cause-specific mortality in 9 European countries: An analysis of a prospective cohort study.

Hanley-Cook Giles T GT Huybrechts Inge I Biessy Carine C Remans Roseline R Kennedy Gina G Deschasaux-Tanguy Mélanie M Murray Kris A KA Touvier Mathilde M Skeie Guri G Kesse-Guyot Emmanuelle E Argaw Alemayehu A Casagrande Corinne C Nicolas Geneviève G Vineis Paolo P Millett Christopher J CJ Weiderpass Elisabete E Ferrari Pietro P Dahm Christina C CC Bueno-de-Mesquita H Bas HB Sandanger Torkjel M TM Ibsen Daniel B DB Freisling Heinz H Ramne Stina S Jannasch Franziska F van der Schouw Yvonne T YT Schulze Matthias B MB Tsilidis Konstantinos K KK Tjønneland Anne A Ardanaz Eva E Bodén Stina S Cirera Lluís L Gargano Giuliana G Halkjær Jytte J Jakszyn Paula P Johansson Ingegerd I Katzke Verena V Masala Giovanna G Panico Salvatore S Rodriguez-Barranco Miguel M Sacerdote Carlotta C Srour Bernard B Tumino Rosario R Riboli Elio E Gunter Marc J MJ Jones Andrew D AD Lachat Carl C

PLoS medicine 20211018 10

<h4>Background</h4>Food biodiversity, encompassing the variety of plants, animals, and other organisms consumed as food and drink, has intrinsic potential to underpin diverse, nutritious diets and improve Earth system resilience. Dietary species richness (DSR), which is recommended as a crosscutting measure of food biodiversity, has been positively associated with the micronutrient adequacy of diets in women and young children in low- and middle-income countries (LMICs). However, the relationshi ...[more]

PMID: 34662340

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Dataset Information

Food biodiversity and total and cause-specific mortality in 9 European countries: An analysis of a prospective cohort study.

Background

Methods and findings

Conclusions

Publications

Food biodiversity and total and cause-specific mortality in 9 European countries: An analysis of a prospective cohort study.

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