A team of engineers has identified the ‘violent’ physical processes at work inside the lungs which cause wheezing, a condition that affects up to a quarter of

Many current inhalers for conditions such as asthma contain propellants that are potent greenhouse gases. A study from researchers at the University of Cambridge has found that switching to alternative, greener inhalers would not only result in large carbon savings, but could be achieved alongside reduced drug costs by using less expensive brands.