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Now showing items 111-120 of 120
Oral Contraceptives and Ovulatory Causes of Delayed Fertility
(Oxford University Press, 1997)
The return of fertility for women who discontinue oral contraceptives takes longer as compared with women who discontinue other methods of contraception. It remains unclear, however, whether subsequent fertility differs ...
Intake of Potassium, Magnesium, Calcium, and Fiber and Risk of Stroke Among US Men
(American Heart Association, 1998)
Background-Animal experiments and epidemiological studies have suggested that high potassium intake may reduce the risk of stroke, but the evidence is inconclusive, and the role of other nutrients in potassium-rich foods ...
Dietary Fat and Coronary Heart Disease: A Comparison of Approaches for Adjusting for Total Energy Intake and Modeling Repeated Dietary Measurements
(Oxford University Press, 1999)
Previous cohort studies of fat intake and risk of coronary heart disease (CHD) have been inconsistent, probably due in part to methodological differences and various limitations, including inadequate dietary assessment and ...
Efficient Derivative Codes through Automatic Differentiation and Interface Contraction: An Application in Biostatistics
(Society for Industrial and Applied Mathematics, 1997)
Developing code for computing the first- and higher-order derivatives of a function by hand can be very time consuming and is prone to errors. Automatic differentiation has proven capable of producing derivative codes with ...
Prospective Study of Herpes Simplex Virus, Cytomegalovirus, and the Risk of Future Myocardial Infarction and Stroke
(American Heart Association, 1998)
Background-It has been hypothesized that infection with either herpes simplex virus (HSV) or cytomegalovirus (CMV) is associated with atherogenesis. However, prospective data relating evidence of prior exposure to these ...
The causes and prevention of cancer
(National Academy of Sciences, 1995)
Epidemiological evidence indicates that avoidance of smoking, increased consumption of fruits and vegetables, and control of infections will have a major effect on reducing rates of cancer, Other factors include avoidance ...
Can physical activity minimize weight gain in women after smoking cessation?
(, 1996)
Objectives. The purpose of this study was to examine prospectively whether exercise can modify weight gain after smoking cessationin women.Methods. Data were analyzed from a 2-year follow-up period (1986-1988) in the Nurses' ...