Kerry Pearl remembers the pharmacist holding up the medicine her 4-year-old son needed to help him breathe. “He was literally holding it, looking at me like: ‘I can’t give you this,’ ” she recalls.

During an asthma check-up at Brigham and Women's Hospital in Boston, Joel Rubinstein gets a surprising pitch — for the planet, as well as his health. His pulmonologist, Dr. Miguel Divo, explains that ...

Metered-dose inhaler propellants have contributed a rising amount to greenhouse gases in the U.S. Emissions per inhaler declined slightly over the past decade, but an increase in annual prescription ...