
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
Planes' Air Ventilation Can't Spread Nut Allergens to Passengers: Study
Rare Red Meat Allergy Linked To More Tick Species
Back-to-School Tips to Helping Your Kids Breathe Easier
There's Still Confusion on How to Spot, Treat Severe Allergic Reactions
Certain Pollens Worse for Triggering Asthma Attacks
Babies Who Got Only Breast Milk in Hospital Have Lower Asthma Rates
Ozone Pollution Increases Risk Of Childhood Asthma
Radon Exposure Linked to Increased Asthma Symptoms in Children
Most Americans Won't Get Vaccinated as Flu, COVID Season Looms: Survey
Experimental Nasal Spray Might Ward Off Multiple Viruses
What You Need to Know About FluMist, the Nasal Flu Vaccine
U.S. Sees Most Child Flu Deaths Since 2009
Many Americans Wary of Vaccines as Fall Flu, COVID Season Looms: Survey