(HealthDay News) -- Coughing serves an important purpose -- to help you expel mucus, microbes and other foreign particles from your respiratory tract.
This helps protect the lungs from infection and inflammation, Harvard Medical School says. A cough becomes chronic if it lingers for at least three to eight weeks, the school adds.
Its list of reasons for a chronic cough includes:
Repeat Infections With COVID-19 May Become the Norm
FDA Panel to Again Weigh Merit of Decongestant That Many Call Useless
Many Parents Too Quick to Give Fever Meds to Kids: Poll
Is Your Kid's Runny Nose Going on Forever? Here's What You Need to Know
Having Kids Around Might Shield You From Severe COVID: Study