OBJECTIVE To estimate the distribution of asthma severity in a population-based sample of children from Salvador, Brazil. METHODS An epidemiologically oriented questionnaire (International Study of Asthma and Allergies in Childhood, ISAAC) and a questionnaire based on criteria used in clinical practice (The Global Initiative for Asthma, GINA) were administered simultaneously to 417 children a...

Asthma and rhinitis epidemiology has wide variations around the world. The aim of this review was verify the prevalence of asthma and rhinitis in South America and report differences from other regions of the world. We reviewed studies with International Study of Asthma and Allergies in Childhood (ISAAC) methodology in South America, Phases I and III. In South America the ISAAC Phase I ranked f...

Methods Twenty-seven teenagers with asthma detected through the International Study of Asthma and Allergies in Childhood (ISAAC) questionnaire answered the ISAAC rhinitis module and underwent spirometry, FeNO measurement and evaluation of QOL through Peadiatric Asthma Quality of Life Questionnaire (PAQLQ). Student t test and Kolmogorov – Smirnov test were applied for means comparison; associati...

The International Study of Asthma and Allergies in Childhood (ISAAC) is the largest epidemiological study ever performed and the only truly global allergy study. This review summarises the childhood eczema-related findings from ISAAC and discusses how these fit into our current understanding of eczema aetiology, with particular emphasis on worldwide time trends in eczema prevalence, climatic an...

The 12 second flight of the world’s first heavier-than-air powered vehicle in 1904 heralded the birth of a new transport mode. In the days, months, and years following that event, it must have been evident that airplanes had a future, but not its shape and extent. The first propeller driven airship was flown 50 years earlier than the Wright Brothers airplane in 1852. A century and a half later,...

1 Parc Sanitari Sant Joan de Déu, Universitat de Barcelona, Fundació Sant Joan de Déu, Sant Boi de Llobregat, Barcelona, Spain, 2 Instituto de Salud Carlos III, Centro de Investigación Biomédica en Red de Salud Mental, (CIBERSAM), Madrid, Spain, 3 The Stockholm Centre for Health and Social Change (SCOHOST), Södertörn University, Huddinge, Sweden, 4 Department of Human Ecology, Graduate School o...

Citation: Ziervogel K, Osburn C, Brym A, Battles J, Joye S, D’souza N, Montoya J, Passow U and Arnosti C (2016) Linking Heterotrophic Microbial Activities with Particle Characteristics in Waters of the Mississippi River Delta in the Aftermath of Hurricane Isaac. Front. Mar. Sci. 3:8. doi: 10.3389/fmars.2016.00008 Linking Heterotrophic Microbial Activities with Particle Characteristics in Waters...

In 1693, Isaac Newton answered a query from Samuel Pepys about a problem involving dice. Newton’s analysis is discussed and attention is drawn to an error he made. On November 22, 1693, Samuel Pepys wrote a letter to Isaac Newton posing a problem in probability. Newton responded with three letters, first answering the question briefly, and then offering more information as Pepys pressed for cla...