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At the request of the National Science Foundation (NSF), the National Academies of Sciences, Engineering, and Medicine has produced a report, "The Value of Social, Behavioral, and Economic Sciences to...
Background: Twenty-four–hour urine sodium excretion is recommended for monitoring population sodium intake. Because of concerns about participation and completion, sodium excretion has not been collec...
Serum retinyl ester concentrations are elevated in hypervitaminosis A. It was suggested that retinyl esters > 10% of total serum vitamin A indicate potential hypervitaminosis, but this cutoff was d...
High circulating total homocysteine (tHcy) concentrations are associated with stroke, which is a major cause of cognitive dysfunction. Blood homocysteine concentrations are inversely correlated wit...
Inadequate vitamin A status has been a potential nutritional problem for some segments of the US population, particularly children and the poor.
Previous studies suggested that diabetes mellitus may lower serum vitamin C concentrations, but most of these studies used clinic-based populations with established diabetes of varying duration and...
The elevation of circulating total homocysteine concentrations in a fasting state is associated with an increased risk of occlusive vascular disease.
Little is known about the relations between race or ethnicity, educational attainment, and serum and red blood cell folate concentrations.
Utilizing the 5% Public Use Micro Data Sample (PUMS) from the 2000 Census of Population and 2000-2006 waves of the National Health Interview Survey (NHIS), we examine differences in disability, self-r...
While it is well-accepted that expanding insurance coverage leads to greater health care utilization, it is less clear that health improves as a result. A recent paper by Chen et al. (2007) examined t...
In 2003, the Parliament of Ghana passed the National Health Insurance Scheme (NHIS) bill, which was signed into law by President John A. Kufuor. The law provides health coverage for most illnesses of ...
Background: Taiwan established a system of universal National Health Insurance (NHI) in March, 1995. Today, the NHI covers more than 98% of Taiwan's population and enrollees enjoy almost free access t...
This paper explores the awareness, among health system managers at various levels, of problems with performance, as well as their perception of what is being done and what could be done to improve it....
The primary reason for many non-European doctors to migrate to the UK is for training within the NHS. Secondary reasons like better pay, better work environment and having friends and family in the UK...
Adjusting workforce participation by country of qualification can improve estimates of the number of medical school places needed to balance supply with demand. Developing countries undergoing strong ...

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