Although emerging data offer valuable clues, the pathophysiological distinctions between different phenotypes of chronic obstructive pulmonary disease are still poorly understood.

Inhaling and smoking heroin and cocaine increase the risk for asthma exacerbations and decreased pulmonary function; marijuana is associated with wheezing, cough, and sputum production.

Although COPD has been identified as a risk factor for cardiovascular disease, researchers are less certain about the relationship between COPD and stroke.

Because determining an appropriate treatment plan for a patient depends on the subtype of the disease, it is imperative for providers to know and understand the underlying mechanisms of CRS as well as the components included in a medical evaluation of a patient.

Cardiopulmonary exercise testing can be an important diagnostic and prognostic tool in pulmonary arterial hypertension.

Although all of the guidelines acknowledge that there are emergent situations in which providing care for a family member or friend is not only permissible but also essential, other situations are frowned upon.

Ranking or otherwise gauging physician quality isn’t just a way to assign bragging rights — performance metrics can be used to set reimbursement levels, tailor insurance, and identify physicians who are falling behind.

The use of a risk calculator aimed at achieving a low-risk profile in PAH trials is discussed.

Recent research suggests that increasing obesity class is independently associated with worse respiratory-specific and general quality of life outcomes in COPD.

The Lancet Respiratory Medicine staged a debate between proponents and opponents of pan-TB regimens to tackle the current suboptimal worldwide management of TB resistance.