A5035731100- Climate Change and Health Impacts
- Air Quality and Health Impacts
- Thermoregulation and physiological responses
- Allergic Rhinitis and Sensitization
- Thermal Regulation in Medicine
- Urban Green Space and Health
- Global Health Care Issues
- Lichen and fungal ecology
- Health disparities and outcomes
- Urban Heat Island Mitigation
- Indoor Air Quality and Microbial Exposure
- Disaster Response and Management
- Disaster Management and Resilience
- Noise Effects and Management
- Optimism, Hope, and Well-being
- Chronic Obstructive Pulmonary Disease (COPD) Research
- Birth, Development, and Health
- Climate Change, Adaptation, Migration
- Neonatal Respiratory Health Research
- Ecosystem dynamics and resilience
- Climate variability and models
- Advanced Causal Inference Techniques
- Statistical Methods and Inference
- Environmental Education and Sustainability
- Dermatology and Skin Diseases
ICF International (United States)
2023-2025
University of British Columbia
2019-2024
Brown University
2016-2024
ICF International (United Kingdom)
2024
University of British Columbia Hospital
2023
University of Washington
2023
Chronic Disease Prevention Alliance of Canada
2023
Workers Compensation Board of British Columbia
2022
BC Centre for Disease Control
2022
Health Research Foundation
2022
Abstract Purpose – In residential buildings, personal choices influence electricity and water consumption. Prior studies indicate that information feedback can stimulate resource conservation. College dormitories provide an excellent venue for controlled study of the effects feedback. The goal this is to assess how different resolutions socio‐technical feedback, combined with incentives, encourage students conserve resources. Design/methodology/approach An automated data monitoring system...
In late June 2021 a heatwave of unprecedented magnitude impacted the Pacific Northwest region Canada and United States. Many locations broke all-time maximum temperature records by more than 5 °C, Canadian national record was broken 4.6 with new 49.6 °C. Here, we provide comprehensive summary this event its impacts. Upstream diabatic heating played key role in anomaly. Weather forecasts provided advanced notice event, while sub-seasonal showed an increased likelihood heat extreme lead times...
Abstract Objective To quantify the association between ambient heat and visits to emergency department (ED) for any cause specific conditions in conterminous United States among adults with health insurance. Design Time stratified case crossover analyses distributed lag non-linear models. Setting US nationwide administrative healthcare claims database. Participants All commercial Medicare Advantage beneficiaries (74.2 million) aged 18 years older May September 2010 2019. Main outcome...
Days of extreme temperature may be associated with transiently higher risk preterm birth, but prior studies have been limited and results heterogeneous. To evaluate the association between days heat cold birth among ~32 million live singleton births 1989 2002 across 403 counties in contiguous United States (US). We used a distributed lag nonlinear model to estimate population-weighted daily mean each county then pooled geographic regions climate zones. defined as 95th 5th percentile...
Many types of tree pollen trigger seasonal allergic illness, but their population-level impacts on allergy and asthma morbidity are not well established, likely due to the paucity long records daily data that allow analysis multi-day effects. Our objective in this study was therefore determine individual spring over-the-counter medication sales emergency department (ED) visits.Nine clinically-relevant genera (elm, poplar, maple, birch, beech, ash, sycamore/London planetree, oak, hickory)...
Background: There is a well-established relationship between high ambient temperature and risk of death. However, the number deaths attributable to heat each year in United States remains incompletely quantified. Methods: We replicated approach from large, international study estimate temperature-mortality associations 297 counties additionally calculated heat, quantity likely interest policymakers public. Results: Across representing 61.9% population 2000, we that an average 5,608 (95%...
Background: Emerging studies suggest that ambient temperature during pregnancy may be associated with fetal growth, but the existing evidence is limited and inconsistent. Objectives: We aimed to evaluate association of trimester-specific risk being born small for gestational age (SGA) birth weight—markers growth—among term births in contiguous United States. Methods: included data on 29,597,735 live singleton between 1989 2002 across 403 U.S. counties. estimated daily county-level...
Future climate change is expected to lengthen and intensify pollen seasons in the U.S., potentially increasing incidence of allergic asthma. We developed a proof-of-concept approach for estimating asthma emergency department (ED) visits U.S. associated with present-day climate-induced changes oak pollen. estimated season length moderate (Representative Concentration Pathway (RCP) 4.5) severe scenarios (RCP8.5) through 2090 using five models published relationships between temperature,...
Pollen is an important environmental cause of allergic asthma episodes. Prior work has established a proof concept for assessing projected climate change impacts on future oak pollen exposure and associated health impacts. This paper uses additional monitor data epidemiologic functions to extend prior analyses, reporting new estimates the current burden oak, birch, grass across contiguous United States. Our results suggest that tree in spring currently accounts between 25,000 50,000...
Heat warnings are issued in advance of forecast extreme heat events, yet little evidence is available regarding their effectiveness reducing heat-related illness and death. We estimated the association advisories (collectively, “alerts”) by United States National Weather Service with all-cause mortality cause-specific hospitalizations among Medicare beneficiaries aged 65 years older 2,817 counties, 2006–2016. In each county, we compared days alerts to without alerts, matched on daily maximum...
Objectives. To examine commonalities and gaps in the content of local US heat action plans (HAPs) designed to decrease adverse health effects extreme heat. Methods. We used analysis identify common strategies preparedness among written HAPs United States from jurisdictions that serve municipalities with more than 200 000 residents. reviewed, coded, analyzed assess prevalence key components strategies. Results. All 21 evaluated incorporated data on activation triggers, messaging risk...
Abstract Background Increasingly frequent and intense extreme heat events (EHEs) are indicative of climate change impacts, urban areas’ social built environments increase their risk for health consequences. Heat action plans (HAPs) a strategy to bolster municipal EHE preparedness. The objective this research is characterize interventions EHEs compare U.S. jurisdictions with without formal plans. Methods An online survey was sent 99 populations > 200,000 between September 2021 January...
Although extreme heat can impact the health of anyone, certain groups are disproportionately affected. In urban settings, cooling centers intended to reduce exposure by providing air-conditioned spaces public. We examined characteristics populations living near and how well they serve areas with high social vulnerability.
The relation between food allergies and eosinophilic esophagitis (EoE) is well established. Aeroallergens may also contribute to the development of EoE; however, there are limited data support or refute this hypothesis. objectives pilot study were determine whether a seasonal variation in onset symptoms and/or diagnosis EoE these variations correlate with specific pollen concentration within New York City.We performed retrospective chart review identify all pediatric patients at Presbyterian...
Background: Studies of the short-term association between ambient temperature and mortality often use observations from a single monitoring station, frequently located at nearest airport, to represent exposure individuals living across large areas. Population-weighted estimates constructed gridded meteorological data may offer an opportunity improve assessment in locations where station do not fully capture average population interest. Methods: We compared daily mean each 113 United States...
The public health impacts of tropical cyclones (TCs) are expected to increase due the continued growth coastal populations and increasing severity these events. However, impact TCs on pregnant women, a vulnerable population, remains largely unknown. We aimed estimate association between prenatal exposure risk preterm birth in eastern United States (US) assess whether varies by individual- area-level characteristics. included data 19,529,748 spontaneous singleton births from 1989 2002 across...
Extreme heat exposures are increasing with climate change. Health effects well documented in adults, but the risks to children not characterized.
Abstract In late June to early July 2021 a heatwave of unprecedented magnitude impacted the Pacific Northwest region, lands colonially named British Columbia (BC) and Alberta (AB) in Canada, Washington (WA) Oregon (OR) United States. Many locations broke all-time maximum daily temperature records by more than 5°C. The standing Canadian national record was broken on three consecutive days, at multiple locations, with highest 49.6°C recorded, 4.6°C higher previous record. Weather forecasts...
The impact of pollen exposure on population allergic illness is poorly characterized. We explore the association tree and over-the-counter daily allergy medication sales in New York City metropolitan area. Dates peak (maple, oak, birch) concentrations were identified from 2003 to 2008. Daily reported city health department analyzed as a function same-day lagged indicators, adjusting for season, year, temperature, day week. Significant associations found between peaks sales, with strongest at...