The latest figures from the British Lung Foundation indicate around 2 million people have an undiagnosed lung condition.
FEV1 & FEV6
Your FEV1 and FEV6 readings measure the amount of air expelled from your lungs over a period of time to determine whether your lung function is within the normal range.
This reading measures the level of obstruction in your lungs, giving a result of standard, mild, moderate or severe.
If you are a smoker, you will receive a ‘lung age’ calculation comparing your actual age with an estimated age based on the performance of your lungs.