نتایج جستجو برای: food availability

تعداد نتایج: 406003  

Arun GC, Bharati Suraj, Thapa Bikesh,

   The growing attention in food security has suggested many approaches to develop a society free from hunger and malnutrition. Methodological approaches are mostly used to overcome the challenges of food security, but food insecurity is more than mere availability and access to food. Cultural and social dimensions and their intricacies to achieve food security are mostly missing from the lite...

Journal: :American journal of epidemiology 2012
Latetia V Moore Ana V Diez Roux Manuel Franco

A major challenge in studies of the impact of the local food environment is the accuracy of measures of healthy food access. The authors assessed agreement between self-reported and directly measured availability of healthful choices within neighborhood food stores and examined the validity of reported availability using directly measured availability as a "gold standard." Reported availability...

2015
Stephanie K. Courtney Jones Adam J. Munn Trent D. Penman Phillip G. Byrne

Food availability and temperature are known to trigger phenotypic change, but the interactive effects between these factors are only beginning to be considered. The aim of this study was to examine the independent and interactive effects of long-term stochastic food availability and water temperature on larval survivorship, growth and development of the striped marsh frog, Limnodynastes peronii...

2017
Suzanne J. Carroll Catherine Paquet Natasha J. Howard Neil T. Coffee Robert J. Adams Anne W. Taylor Theo Niyonsenga Mark Daniel

BACKGROUND Individual-level health outcomes are shaped by environmental risk conditions. Norms figure prominently in socio-behavioural theories yet spatial variations in health-related norms have rarely been investigated as environmental risk conditions. This study assessed: 1) the contributions of local descriptive norms for overweight/obesity and dietary behaviour to 10-year change in glycosy...

Journal: :The Journal of school health 2014
Yvonne M Terry-McElrath Nancy E Hood Natalie Colabianchi Patrick M O'Malley Lloyd D Johnston

BACKGROUND The 2013-2014 school year involved preparation for implementing the new US Department of Agriculture (USDA) competitive foods nutrition standards. An awareness of associations between commercial supplier involvement, food vending practices, and food vending item availability may assist schools in preparing for the new standards. METHODS Analyses used 2007-2012 questionnaire data fr...

2004
Gita R. Kolluru Gregory F. Grether

Food availability can influence the optimal allocation of time and energy among alternative behaviors such as foraging, courting, and competing for mates. If populations differ consistently in food availability, selection may cause geographic divergence in allocation strategies. At the opposite extreme, a norm of reaction may evolve such that food intake influences the allocation strategy of in...

Journal: :General and comparative endocrinology 2014
Carsten Schradin Julien Raynaud Mathilde Arrivé Stéphane Blanc

Leptin is a hormone informing the body about its fat stores, reducing appetite and foraging and as such reducing fattening of individuals. In laboratory rodents, leptin secretion is highly correlated to the amount of adipose tissue. We compared this to the alternative ecological leptin hypothesis, which based on the behavioural effects of leptin predicts that leptin levels are disassociated fro...

Journal: :Journal for the Integrated Study of Dietary Habits 2007

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