Background Recently, the analysis of dietary patterns has emerged as a possible approach
to examining diet-disease relations. Objective We examined the reproducibility and validity …

ContextFew studies have evaluated the relationship between fruit and vegetable intake and
cardiovascular disease. ObjectiveTo examine the associations between fruit and vegetable …

Background Osteoporosis and related fractures will be growing public health problems as
the population ages. It is therefore of great importance to identify modifiable risk factors …

Background In 1996, the Food and Drug Administration issued a regulation requiring all
enriched grain products to be fortified with folic acid to reduce the risk of neural-tube defects …

Background Vitamin K mediates the γ-carboxylation of glutamyl residues on several bone
proteins, notably osteocalcin. High serum concentrations of undercarboxylated osteocalcin …

Background Dietary antioxidants, including carotenoids, are hypothesized to decrease the
risk of age-related cataracts by preventing oxidation of proteins or lipids within the lens …

OBJECTIVE: To assess the prevalence rates and correlates of overweight, concern with
weight, and bulimic behaviors. METHOD: A survey was completed by a population-based …

BACKGROUND: Previous epidemiologic studies of fruit and vegetable intake and bladder
cancer risk have yielded inconsistent results, especially with regard to the types of fruits and …

PURPOSE: Because osteoarthritis may be caused by “wear and tear,” we examined the
association between level of physical activity and risk of knee osteoarthritis in the elderly …

Background Studies in animals have shown that the frequency of urination is inversely
associated with the level of potential carcinogens in the urothelium. In humans, an increase …