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Search: authors:"Willett, Walter C"

93 papers found.
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Reproducibility of urinary biomarkers in multiple 24-h urine samples

Background: Limited knowledge regarding the reproducibility of biomarkers in 24-h urine samples has hindered the collection and use of the samples in epidemiologic studies.

Association between intakes of magnesium, potassium, and calcium and risk of stroke: 2 cohorts of US women and updated meta-analyses

Background: Prospective data on the relation of magnesium, potassium, and calcium intakes with stroke risk are inconsistent, and to our knowledge, the effect of a combined mineral diet score has not been examined.

Associations between nut consumption and inflammatory biomarkers

Background: Increased nut consumption has been associated with reduced risk of cardiovascular disease and type 2 diabetes, as well as a healthy lipid profile. However, the associations between nut consumption and inflammatory biomarkers are unclear.

Fish intake and risk of chronic obstructive pulmonary disease in 2 large US cohorts

Background: Despite mechanistic data that linked fish and omega-3 (n–3) PUFAs with lower risk of chronic obstructive pulmonary disease (COPD), epidemiologic data remain scarce. Fish and n–3 PUFAs are an important component of the prudent dietary pattern that is thought to be protective in the onset of COPD.

Unmetabolized Folic Acid in Prediagnostic Plasma and the Risk for Colorectal Cancer

Higher folate has been associated with a reduced colorectal cancer (CRC) risk, but excessive folate may promote tumor progression. The role of unmetabolized folic acid (UFA) from high folic acid consumption in carcinogenesis is largely unexplored. We evaluated prediagnostic plasma levels of UFA in relation to CRC risk in nested case-control studies (618 CRC case patients and 1207...

Longitudinal relations of television, electronic games, and digital versatile discs with changes in diet in adolescents

Background: Youth spend more time with screens than any activity except sleeping. Screen time is a risk factor for obesity, possibly because of the influence of food and beverage advertising on diet.

Associations between red meat intake and biomarkers of inflammation and glucose metabolism in women

Background: Greater red meat intake is associated with an increased type 2 diabetes and cardiovascular disease risk. However, the relation of red meat intake to biomarkers of inflammation and glucose metabolism has not been investigated thoroughly.

Quantity and variety in fruit and vegetable intake and risk of coronary heart disease

Background: Dietary guidelines recommend increasing fruit and vegetable intake and, most recently, have also suggested increasing variety.