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Inhaler-related greenhouse gas emissions in U.S. healthcare

US Inhaler Use Drives Rising Greenhouse Gas Emissions

December 2025

Inhalers prescribed for asthma and COPD generated nearly 25 million metric tons of greenhouse gas emissions in the United States over the past decade.

Clinician reviewing an inpatient COPD care pathway in the electronic health record during a hospital ward round

Inpatient COPD Care Pathway Boosts Key Hospital Metrics

An inpatient COPD care pathway embedded in the electronic health record improved rehabilitation referrals and home discharges.

Conceptual illustration of intranasal H5N1 vaccine activating mucosal and systemic immune responses

Intranasal Vaccine Boosts Protection Against Bird Flu

An intranasal bird flu vaccine safely primes broad mucosal and systemic immunity in a Phase I trial.

Physician reviewing lung cancer CT scan results with patient

Lung Cancer Survival Improves, but Funding Threats Loom

Lung cancer survival rates are improving nationwide; however, recent funding cuts could threaten continued progress in prevention and treatment.

Midlife woman breathing outdoors with lung function concept overlay

Menopause Accelerates Lung Function Decline

The new analysis shows that lung function changes across the menopausal transition accelerate several years before menopause and remain elevated thereafter.

Patient using inspiratory muscle trainer during post-COVID rehabilitation

Inspiratory Muscle Training May Boost Post-COVID Exercise Tolerance

A systematic review finds inspiratory muscle training may enhance exercise tolerance in adult patients with post-COVID-19 syndrome.

A person coughing into their elbow while holding their chest

SARS-CoV-2 RNA Detection in Cough Droplets

Device-captured cough droplets detected SARS-CoV-2 RNA and inflammatory biomarkers from the lower respiratory tract in patients.

Colorful measuring tapes symbolizing body mass index and weight assessment in pediatric asthma research

BMI Shows Dual Impact on Lung Function in Asthmatic Children

BMI influences lung performance in children with asthma, with benefits that reverse beyond a critical weight threshold.

physician advising patient on long-term smoking cessation outcomes

Quitting Smoking Adds Years to Life, Study Confirms

A landmark 32.5-year follow-up of a smoking cessation intervention showed enduring reductions in respiratory mortality among U.S. adults who received targeted support to quit smoking.

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