When you're sick you'll often produce more phlegm, and might notice it's thicker or a different color: white, green, yellow ...

As Lung Cancer Day draws attention to one of the world’s deadliest cancers, it’s time we pay closer attention to one of its most overlooked symptoms, a persistent cough. While most coughs resolve ...

Being sick can also affect the consistency of phlegm. In a healthy person, mucus is around 90–95% water – the rest is made up ...

It’s produced by special cells within the epithelium. This is a tissue that lines the organs, cavities and surfaces in your ...

Explore safer cannabis options for asthma patients. Learn how CBD, CBG, and non-inhalation methods can support respiratory ...