Routine asthma test more reliable in the morning and has seasonal effects, say doctors

A lung function test used to help diagnose asthma works better in the morning, becoming less reliable throughout the day, researchers have found. Using real world data from 1,600 patients, available through a database created for speeding up research and innovation, the team also found that its reliability differs significantly in winter compared to autumn.

A lung function test used to help diagnose asthma works better in the morning, becoming less reliable throughout the day, researchers have found. Using real world data from 1,600 patients, available through a database created for speeding up research and innovation, the team also found that its reliability differs significantly in winter compared to autumn.

Read more https://www.sciencedaily.com/releases/2025/03/250312134629.htm