Design Concepts in Nutritional Epidemiology

Nutritional epidemiology

Biomarkers in nutritional epidemiology.

OBJECTIVE To illustrate biomarkers of diet that can be used to validate estimates of dietary intake in the study of gene-environment interactions in complex diseases. DESIGN Prospective cohort studies, studies of biomarkers where diet is carefully controlled. SETTING Free-living individuals, volunteers in metabolic suites. SUBJECTS Male and female human volunteers. RESULTS Recent studie...

Nutritional Epidemiology

Teaching concepts in epidemiology.

In the United Kingdom most medical students are first introduced to epidemiology as a formal discipline during their clinical years-usually during a course in social or community medicine. The amount of time allocated to the subject varies greatly between schools, but everywhere epidemiology is a recent addition to an already overcrowded curriculum and, like all parvenus, has a need to justify ...

Current concepts in nutritional assessment.

T he management of surgical illness requires appropriate metabolic and physiologic adjustment to preserve tissue and organ function. A patient’s baseline nutritional status along with optimal nutritional support will provide the substrate to meet the increase in metabolic demand. Adequate response to metabolic demands allows the host to limit catabolism, promote wound healing, and muster a defe...