The colour of your phlegm could reveal what’s going on with your health

Coughing up phlegm may appear a sign of more serious illness. But it’s important to understand why phlegm appears. Viral coughs take longer to clear than many people realise, according to NHS GP Dr Tom Jenkins. He advised: “In young healthy people, 50 percent will clear over 10 days and 90 percent will clear over … Read more