'Implementation research in nutrition' is an emerging area of study aimed at building evidence-based knowledge and sound theory to design and implement programs that will effectively deliver nutrition interventions. This paper describes some of the basic features of ethnography and illustrates its applications in components of the implementation process. We review the central purpose of ethnogr...

BACKGROUND Little is known about the rates of obesity among African American (AA) breast cancer survivors (BCSs), the availability and use of lifestyle modification methods suitable for this population, and the impact of changes in dietary intake and physical activity on health-related quality of life (HR-QoL). OBJECTIVE The objectives of the study were to describe obesity rates, dietary inta...

The evolutionarily persistent and widespread use of carotenoid pigments in animal coloration contrasts with their biochemical instability. Consequently, evolution of carotenoid-based displays should include mechanisms to accommodate or limit pigment degradation. In birds, this could involve two strategies: (i) evolution of a moult immediately prior to the mating season, enabling the use of part...

Resistance exercise is an activity performed by individuals interested in competition, those who wish to improve muscle mass and strength for other sports, and for individuals interested in improving their strength and physical appearance. In this review we present information suggesting that phosphocreatine depletion, intramuscular acidosis and carbohydrate depletion are all potential causes o...

BACKGROUND Estimating the required sample size and statistical power for a study is an integral part of study design. For standard designs, power equations provide an efficient solution to the problem, but they are unavailable for many complex study designs that arise in practice. For such complex study designs, computer simulation is a useful alternative for estimating study power. Although th...

BACKGROUND Food for Fitness is an on-going multi-component health promotion programme, delivered in primary and secondary schools by community nutrition assistants. The programme uses nutritional interventions aimed at promoting healthier eating practices for children. This service evaluation investigated the receipt and delivery of the programme, as perceived by local stakeholders who had expe...

Food and nutrition are fundamental to military capability. Historical examples demonstrate that a failure to supply adequate nutrition to armies inevitably leads to disaster; however, innovative measures to overcome difficulties in feeding reap benefits, and save lives. In barracks, UK Armed Forces are currently fed according to the relatively new Pay As You Dine policy, which has attracted cri...

The clinical, patient-oriented focus of medicine and psychology is contrasted with the epidemiologic (public health) approach in assessing the role of life-style factors and health promotion in cancer research. The unifying host-agent-environment epidemiologic paradigm is applied to contemporary cancer prevention issues, principally smoking cessation and dietary modification, to demonstrate dif...

Bread is consumed daily by billions of people, yet evidence regarding its clinical effects is contradicting. Here, we performed a randomized crossover trial of two 1-week-long dietary interventions comprising consumption of either traditionally made sourdough-leavened whole-grain bread or industrially made white bread. We found no significant differential effects of bread type on multiple clini...

Food insecurity in the United States is a profound public health challenge that hospitals are uniquely situated to address. Through the enactment of the Hospital Readmission Reduction Program, the Affordable Care Act provides a strong economic incentive for hospitals to actively confront food insecurity within the communities they serve. While there is a spectrum of nutrition interventions that...