EHPnet: NIEHS Environmental Health Science Education

EHPnet: NIEHS Environmental Health Science Education

Background: Gastroparesis has a number of etiologies. The main ones are secondary to a complication from diabetes mellitus, related to post vagotomy or post gastric surgical resections, or idiopathic when the etiology is unclear. Gastroparesis secondary to a demyelinating disease of the brain is unusual. Case presentation: A 22-year-old woman was referred for acute onset of intractable nausea a...

NIEHS Global Environmental Health Conference

EHPnet: CDC: Environmental Concerns After Hurricane Katrina NIEHS: Natural Disaster Response

This paper explores the decay of linkage disequilibrium (LD) on the autosomes and chromosome X. The extent of marker-marker LD is important for both linkage and association studies. The analysis of the Caucasian sample from the Collaborative Study on the Genetics of Alcoholism study revealed the expected negative relationship between the magnitude of the marker-marker LD and distance (cM), with...

EHPnet: Sediment Science

toxin present," Ramsdell says. Thus far, he adds, the luminescent system has detected as few as 10-100 toxic cells within a milliliter of water. Previous research has shown that levels between 350 and 6,900 cells per milliliter can kill fish, he notes. Ramsdell and colleagues are preparing three different detection assays for use in the laboratory, in the field, and in clinics as a blood-analys...

Environmental Awareness at NIEHS.

Although breast cancer still represents one-third of all cases of cancer in worn affects one out of nine worn United States, the patterns o and some means of preventi cer are becoming clearer, the tenth lecturer in the annual series, named for NIEHS's first scientific director. In a meticulous overview of recent studies, the internationally recognized epidemiol-ogist disucssed the many risk fac...