Natural course of pollen-induced allergic rhinitis from childhood to adulthood: A 20-year follow up.

Background: Allergic rhinitis (AR) is one of the most common chronic diseases worldwide. There are limited prospective long-term data regarding persistency and remission of AR. The objective of this study was to investigate the natural course of pollen-induced AR (pollen-AR) over 20 years, from childhood into early adulthood.

Residential overcrowding in relation to children's health, environment and schooling - a qualitative study.

Aim: To explore how overcrowding affects children's health, environment and schooling.

Methods: A qualitative study was conducted with individual interviews among 20 participants with occupational experience from overcrowded Stockholm areas but diverse in professions, locations and employers. The interviews were recorded, transcribed and analysed with Systematic Text Condensation.