This paper studies the trends in height-by-age across socioeconomic groups of Chilean boys aged 5–18 born between 1880 and 1997, by performing a meta-analysis of 38 studies reporting height-by-age published since 1898. ...

Objectives: To estimate the secular trend in age at menarche, comparing indigenous and nonindigenous women, and its relationship with socio-demographic, family and nutritional factors. Methods: A study (historical cohorts) ...

Objectives: Chile is a unique example of the nutrition transition, with improvements in undernutrition and subsequent rapid increases in obesity occurring at a rate much faster than in other countries. This study aims ...

Las relaciones entre la Iglesia católica y el Estado colombiano han tenido una serie de enfoques que se expresan de acuerdo con el momento histórico en la evolución de nuestra tendencia republicana. En este ensayo se presentan ...

Secular trends in coastal upwelling proxies from a sediment record at 23 degrees S encompassing 250 years reveal two distinct stages separated by a transition period between AD 1820 and 1878. Persistent interdecadal ...

Objectives To identify temporal trends in muscular fitness of English children using allometric scaling for height and weight to adjust for the influence of body size. Design Repeated cross-sectional study. Methods We ...

This paper tests the Purchasing Power Parity Theory of Exchange Rates dealing with Argentinean data for the period 1900-2006. This is equivalent to testing if the Real Exchange Rate is a stationary variable or if its ...

Context: Premature adrenarche (PA) has been associated with increased metabolic risk. Objective: To describe the risk of precocious thelarche (PT; ,8 years), pubarche (PP; girls ,8 years, boys ,9 years), and gonadarche ...

Background: A secular trend towards a younger age of puberty onset has been reported in Chilean girls. Aim: To evaluate the age of onset of puberty and prevalence of early puberty in Chilean boys. Material and Methods: A ...