Health Tip: What Causes a Chronic Cough
(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:
Related Articles
Search Allergy Articles
Athletes Can Expect High Ozone, Pollen Counts for Paris Olympics
Food Allergies in College 101: Tips to Cope
Planes' Air Ventilation Can't Spread Nut Allergens to Passengers: Study
Move to Electric Vehicles Could Prevent Millions of Child Asthma Attacks Each Year
Babies Who Got Only Breast Milk in Hospital Have Lower Asthma Rates
Could Asthma Harm a Child's Memory Skills?
ERs Might Be Good Spots to Offer Flu Shots
Experimental Nasal Spray Might Ward Off Multiple Viruses
Obesity Raises Risk of Severe Infection, Especially in People With Diabetes
CDC Reports Potentially Troublesome Mutations in Bird Flu Found in Louisiana Patient
Could OTC Nasal Sprays Ease Colds & Flu and Cut Antibiotic Use?