A lung function test used to help diagnose asthma works better in the morning, becoming less reliable throughout the day, ...

A new study has found that the results of a lung function test, used to help diagnose asthma, can vary according to the time ...

Harms of race-specific lung function calculations extend to asthma and treatment, particularly in Black children.

Typically, people with suspected asthma will be offered a spirometry test, which involves taking a deep breath in, then breathing out hard and fast for as long as possible into a tube to assess ...