Consultant oral and maxillofacial surgeon Luke Cascarini, 52, had faced severe reputational damage after a woman claimed he had bungled surgery on her jaw.
A breathalyser may give doctors a new way to diagnose a range of respiratory conditions in as little as two minutes.
Lung disease is one of the major causes of illness and death in the UK, with one in five people having a respiratory disease.
These include asthma, lung cancer, pneumonia and chronic obstructive pulmonary disease (COPD) an umbrella term for a group of conditions that cause breathing difficulties, which affects three million people.
However, it can be difficult to distinguish between lung diseases because symptoms such as wheezing, breathlessness and coughing often overlap.
Breathalyser may give doctors a new way to diagnose respiratory conditions in a matter of minutes. (Stock image)