The discovery of a new mutation associated with breathing difficulties in popular dog breeds suggests that shortened skulls causing flat faces is not the only factor that contributes to the condition, but that swelling around the airways from edema may also play a role. Jeffrey Schoenebeck of the University of Edinburgh and colleagues report these findings in a new study published May 9 in PLOS Genetics.
Source: EurekaAlert, https://www.eurekalert.org