Respiratory

A major trial finds the beta blocker bisoprolol neither improves nor worsens outcomes in people with COPD, despite their high cardiovascular risk.

UK Biobank study links very low vitamin D levels with higher risk of hospital admission for respiratory tract infections across ethnic groups.

Sphingolipid-to-steroid ratios in blood accurately predict asthma attacks years in advance, offering a new precision medicine tool for asthma care.

Teens with obesity using GLP-1RAs experienced fewer asthma exacerbations, emergency visits, and steroid prescriptions compared with nonpharmacological weight management.

Expanded school tobacco prevention in California schools was linked to lower adolescent tobacco use in a large, state-representative survey.

High cannabis use is associated with worse lung function, respiratory symptoms, and airway immune changes, highlighting potential clinical risks.

Meta-analysis links prior tuberculosis and chronic bronchitis to higher lung cancer risk in never-smokers, with implications for clinical risk assessment.

Therapist-guided internet CBT safely lowers asthma-related anxiety and boosts quality of life, control, and behaviour in adults with asthma.