Studies & Reports
One of our core strategies at RAMP is to keep the asthma field abreast of best practices, timely opportunities, and emerging research in order to build capacity for reducing the inequitable burden of asthma. We do this by cultivating an extensive hub of asthma-related information across a wide range of topics, including asthma management and healthcare, housing, air pollution, schools, the built environment, and more.
The majority of studies and reports that you’ll see below were published by partner organizations, agencies, and research institutions. To specifically see resources created by RAMP, check out RAMP Tools & Publications.
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UK Researchers Show Air Pollution Exposure during Pregnancy and Early Childhood Affects Adolescent Lung Growth
In June 2026, a study published in the journal Environmental Research examined whether exposure to air pollution during pregnancy and early childhood impacts lung function growth from ages 8-24 years. Researchers investigated about 5,200 children in the United Kingdom and found that higher exposure to fine particulate matter (PM10) and nitrogen dioxide (NO2) during early life was associated with small reductions in lung function growth. The effects…
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American Lung Association Releases the 27th Annual State of the Air Report
The American Lung Association’s 27th Annual State of the Air report reveals that 46% of the children in America (or 33.5 million people under the age of 18), and more than 4 in 10 people of all ages (152 million people), live in counties that received a failing grade for at least one measure of ozone pollution or particle pollution. This data,…
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Study Comparing Annual Asthma Management Costs of SMART vs Traditional Therapy
In an economic analysis and evaluation released by JAMA Network in 2026, researchers used a decision-tree model and the Monte Carlo simulation approach to compare the annual asthma management costs of SMART vs traditional therapy from a U.S. health care payer perspective. The analysis consisted of data from 6 randomized clinical trials from September 1, 2024, to March 13, 2025, yielding 11,988 individuals with…
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A Systematic Review Demonstrating the Association Between Social Determinants of Health on Asthma and Allergic Disease Outcomes and Healthcare Utilization for Children and Adolescents
A systematic review, released in September 2025 in the journal Epidemiologia, aimed to understand the influence of multilevel social determinants of health (SDOHs) on asthma and allergic disease outcomes and healthcare utilization for children and adolescents. Researchers reviewed 44 studies and found positive associations between the examined SDOH factors, such as neighborhood and residential conditions,…
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National Academy for State Health Policy’s State Community Health Worker Policies Tracker
The National Academy for State Health Policy completed a scan of all 50 states and Washington, D.C., to update the State Community Health Worker (CHW) Policies tracker. This report highlights key policy trends across states, including a notable uptick in Medicaid coverage and legislation providing for new governance structures, certification, training, and reimbursement opportunities, and…
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Study Investigates the Environmental Impact of Inhalers
A study, released in October 2025 by the JAMA Network, investigates the magnitude, sources, and social costs of inhaler-related greenhouse gas emissions in the US from 2014 to 2024. Researchers found that 1.6 billion inhalers dispensed during this period produced 24.9 million metric tons of carbon dioxide equivalent emissions in the US, 98% of which…
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Study Details the Development and Validation of a Machine Learning-Based Model to Predict 30-Day In-Hospital Mortality Among ICU Patients with Asthma
A study, released in August 2025 by BMC Pulmonary Medicine, discusses the development and external validation of a machine learning–based model to predict 30-day in-hospital mortality among ICU patients with asthma. Researchers used data from 4,385 patients in the Medical Information Mart for Intensive Care IV (MIMIC-IV) database to test seven algorithms. Compared with traditional…
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Systematic Review and Meta-Analysis Examines the Risk of Long COVID in Patients with Pre-Existing Chronic Respiratory Diseases
In January 2025, BMJ Journals released the study, “Risk of long COVID in patients with pre-existing chronic respiratory diseases: a systematic review and meta-analysis,” which gathered data from 51 studies from PubMed and Embase databases. Researchers found that pre-existing asthma was associated with 41% higher odds of long COVID, while COPD was linked to 32%…