We might not like talking about, or looking at our phlegm but it can actually tell you a lot about what’s happening in your lungs.
Coughing up more phlegm than usual can be a sign that your airways are inflamed, and the colour of your phlegm can also be a good indicator for what’s happening in your lungs. Find out more by visiting our website:asthma.org.uk/advice/unders...
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