Most new emphysema is propagated in high mechanically affected lung regions rather than in lung areas with small airways disease.

The CDC’s ACIP updated guidance on pneumococcal vaccination, recommending a single dose of PCV for all adults aged 50 years and older.

Adult incident asthma is associated with a lower number of daily steps, suggesting that exercise may modify asthma risk.

The DOJ has accused CHEST and other medical journals of scientific bias, demanding responses to a list of questions by May 2, 2025.