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Taylor, Eric N.

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Taylor

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Eric N.

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Taylor, Eric N.
Author's Publications: search.filters.isAuthorOfPublication.37dbcd76-1b49-4b51-b770-ff171225933d

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    Dietary and Plasma Magnesium and Risk of Coronary Heart Disease Among Women
    (Blackwell Publishing Ltd, 2013) Chiuve, Stephanie; Sun, Qi; Curhan, Gary; Taylor, Eric N.; Spiegelman, Donna; Willett, Walter; Manson, JoAnn; Rexrode, Kathryn; Albert, Christine
    Background: Magnesium is associated with lower risk of sudden cardiac death, possibly through antiarrhythmic mechanisms. Magnesium influences endothelial function, inflammation, blood pressure, and diabetes, but a direct relation with coronary heart disease (CHD) risk has not been established. Methods and Results: We prospectively examined the association between dietary and plasma magnesium and risk of CHD among women in the Nurses' Health Study. The association for magnesium intake was examined among 86 323 women free of disease in 1980. Information on magnesium intake and lifestyle factors was ascertained every 2 to 4 years through questionnaires. Through 2008, 3614 cases of CHD (2511 nonfatal/1103 fatal) were documented. For plasma magnesium, we conducted a nested case–control analysis, with 458 cases of incident CHD (400 nonfatal/58 fatal) matched to controls (1:1) on age, smoking, fasting status, and date of blood sampling. Higher magnesium intake was not associated with lower risk of total CHD (P‐linear trend=0.12) or nonfatal CHD (P‐linear trend=0.88) in multivariable models. However, magnesium intake was inversely associated with risk of fatal CHD. The RR comparing quintile 5 to quintile 1 of magnesium intake was 0.61 (95% CI, 0.45 to 0.84; P‐linear trend=0.003). The association between magnesium intake and risk of fatal CHD appeared to be mediated partially by hypertension. Plasma magnesium levels above 2.0 mg/dL were associated with lower risk of CHD, although not independent of other cardiovascular biomarkers (RR, 0.67; 95% CI, 0.44 to 1.04). Conclusions: Dietary and plasma magnesium were not associated with total CHD incidence in this population of women. Dietary magnesium intake was inversely associated with fatal CHD, which may be mediated in part by hypertension.
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    Calcium Intake and Risk of Primary Hyperparathyroidism in Women: Prospective Cohort Study
    (BMJ Publishing Group Ltd., 2012) Paik, Julie; Curhan, Gary; Taylor, Eric N.
    Objective: To examine the association between calcium intake and risk of primary hyperparathyroidism in women. Design Prospective cohort study. Setting Nurses’ Health Study I, which originally recruited participants from the 11 most populous states in the United States. Participants 58 354 female registered nurses enrolled in the Nurses’ Health Study I aged 39-66 years in 1986 and with no history of primary hyperparathyroidism. Calcium intake was assessed every four years using semiquantitative questionnaires on food frequency. Main outcome measure Incident primary hyperparathyroidism, confirmed by medical record review. Results: During 22 years of follow-up, we recorded 277 incident cases of primary hyperparathyroidism. Women were divided into five equal groups, according to intake of dietary calcium. After adjusting for age, body mass index, race, and other factors, the relative risk of primary hyperparathyroidism for women in the group with the highest intake of dietary calcium was 0.56 (95% confidence interval 0.37 to 0.86, P=0.009 for trend), compared with the group with the lowest intake. The multivariable relative risk of primary hyperparathyroidism for women taking more than 500 mg/day of calcium supplements compared with no calcium supplements was 0.41 (95% confidence interval 0.29 to 0.60, P<0.001 for trend). Analyses restricted to participants with regular physical exams did not significantly change the association between calcium intake and risk of primary hyperparathyroidism. Conclusion: Increased calcium intake is independently associated with a reduced risk of primary hyperparathyroidism in women.