Objective. To determine whether disease predicts weight loss in population-based studies, as this may confound the relationship between weight and mortality. Materials and methods. We used longitudinal data from the Costa ...

Objectives Recent studies in Central America indicate that mortality attributable to chronic kidney disease (CKD) is rising rapidly. We sought to determine the prevalence and regional variation of CKD and the relationship ...

Objective: The study examined the relationship of self-rated health and self-rated economic situation with depressed mood, and life satisfaction as mediator of this relationship among older adults in Costa Rica. Method: A ...

Studies in humans suggest that leukocyte telomere length may act as a marker of biological aging. We investigated whether individuals in the Nicoya region of Costa Rica, known for exceptional longevity, had longer telomere ...

Mean serum cholesterol and triglyceride concentrations were higher for two groups of sedentary middle-aged and elderly men than for a group of physically-active, middle-aged farmers, all from rural Puriscal, Costa Rica. ...

Abstract. Charcot-Marie-Tooth disease type IB (CMT 1B) is caused by mutations in the gene coding for peripheral myelin protein zero (MPZ, P0) that plays a fundamental role in adhesion and compaction of peripheral myelin. ...

Present models of the relation between subcutaneous fat distribution and serum biochemistries have been based largely on U.S. White populations. To determine interpopulational differences in that relation, we measured 68 ...

Gastric biopsies from 65 Costa Rican dyspeptic patients were investigated for the presence ofHelicobacter pylori DNA by polymerase chain reaction (PCR) amplification of 16S rRNA sequences. Both frozen and paraffin-embedded ...

Justificación y objetivo: Este estudio señala los valores medios normales de alfa-fetoproteína(AFP) en 124 mujeres embarazadas costarricenses que acudieron a la consulta pre-natal del Hospital Rafael Ángel Calderón Guardia, ...