Kwashiorkor--I. Nutritional Background, History, and Distribution

Humor and Laughter may Influence Health. I. History and Background

Articles in both the lay and professional literature have extolled the virtues of humor, many giving the impression that the health benefits of humor are well documented by the scientific and medical community. The concept that humor or laughter can be therapeutic goes back to biblical times and this belief has received varying levels of support from the scientific community at different points...

Part I History and ecological basis of species distribution modeling

Recent decades have seen an explosion of interest in species distribution modeling. This has resulted from a confluence of the growing need for information on the geographical distribution of biodiversity and new and improved techniques and data suitable for addressing this information need – remote sensing, global positioning system technology, geographic information systems, and statistical l...

Kwashiorkor.

History and background of protoporphyrin testing.

Lead intoxication was first associated with increased coproporphyrin excretion almost 100 years ago; but not until the 1930's were abnormalities in blood protoporphyrin detected. These later findings have been interpreted as an inhibition by lead of iron incorporation into protoporphyrin during heme synthesis. The testing and application of this hypothesis had to await three more decades of res...

Interactive information retrieval : history and background

retrieval? It is legitimate for the reader to ask why a distinction is made by this book between the terms ‘interactive information retrieval’ and ‘information retrieval’. Surely, in the current context of information seeking through web search engines, it is clear that information retrieval necessarily involves some form of interaction between searcher and system. An answer to this question li...