Evidence for Large Increases in Clear‐Air Turbulence Over the Past Four Decades

Explaining Changes in Child Poverty Over the Past Four Decades

Glacier change over the past four decades in the middle Chinese

Terminus fluctuation and area change in mountain glaciers in the middle Chinese Tien Shan over the past four decades are examined, based on Landsat multispectral scanner (MSS), Enhanced Thematic Mapper Plus (ETM+), Système Probatoire pour l’Observation de la Terre (SPOT) highresolution visible (HRV) imagery, topographical maps and China Glacier Inventory data using Geographical Information Syst...

Long-term Trends in Benthic Macroinvertebrate Populations in Lake Huron over the Past Four Decades

Surveys of the benthic macroinvertebrate community were conducted in the main basin of Lake Huron in 2000 and 2003, and in Georgian Bay and North Channel in 2002. Results were compared to surveys conducted in the 1960s and early 1970s. Although data of earlier surveys were inconsistent, our best estimates suggest that total density of the four major benthic taxa (Diporeia spp., Oligochaeta, Sph...

Breast cancer in the Arctic – changes over the past decades

The purpose of this study is to review the current literatures on breast cancer (BC) in the Arctic, especially the trends in incidence during the last decades and the possible explanations. The design of this study is a literature review. The scientific literature concerning BC were reviewed, especially focusing on the Arctic and the special conditions that exist in this region. Breast cancer i...

Drug Holidays From ADHD Medication: International Experience Over the Past Four Decades.

OBJECTIVE ADHD is managed by stimulants that are effective but can cause growth retardation. Prescribers should ideally monitor children and trial a "drug holiday" to enable catch-up growth. Our aim was to map the experience of drug holidays from ADHD medication in children and adolescents. METHOD A comprehensive search of the literature identified 22 studies published during the period 1972 ...