Strontium isotopes are a powerful tool for investigating the geographical origins of people
and animals but assignment of provenance requires reference maps and databases. This …

Background— Information is limited regarding the rates of progression to congestive heart
failure (CHF) and death in individuals with asymptomatic left ventricular systolic dysfunction (…

Little information is available on the prevalence and determinants of valvular regurgitation
in the general population. This study sought to assess the prevalence and clinical …

Background Primary hyperaldosteronism is a well-recognized cause of secondary hypertension.
It is unknown whether serum aldosterone levels within the physiologic range influence …

Background Extreme obesity is recognized to be a risk factor for heart failure. It is unclear
whether overweight and lesser degrees of obesity also pose a risk. Methods We investigated …

Background Information is limited regarding the risk of cardiovascular disease in persons
with high-normal blood pressure (systolic pressure of 130 to 139 mm Hg, diastolic pressure of …

Background Although heart rate variability (HRV) is altered in a variety of pathological
conditions, the association of reduced HRV with risk for new cardiac events has not been studied …

This paper presents a compilation of strontium and oxygen isotope data from human tooth
enamel that has been produced at NERC Isotope Geosciences Laboratory over the last c.15 …

Background Little is known about the epidemiology and prognosis of syncope in the
general population. Methods We evaluated the incidence, specific causes, and prognosis of …

OBJECTIVES The purpose of this study was to assess the relative proportions of normal
versus impaired left ventricular (LV) systolic function among persons with congestive heart …