
(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:
Newbies More Apt to Have Bad Reaction to Marijuana: Study
There May Be 6 Types of COVID-19
'What's Wrong With Me?' Young COVID Survivors Battle Long-Haul Symptoms
Brush With Common Cold Might Help Protect Against COVID-19
I've Already Had COVID-19, Do I Need the Vaccine?
Prior Exposure to Common Cold Won't Shield You From COVID: Study
Why Getting a Flu Shot is More Important Than Ever This Fall
Trying the Keto Diet? Watch Out for the 'Keto Flu'
Flu Shots for Kids Protect Everybody, Study Shows
ユニãƒãƒ¼ã‚µãƒ«ã‚¤ãƒ³ãƒ•ルエンザワクãƒãƒ³ã®é–‹ç™ºçжæ³ã¯ï¼Ÿ
With 'Twindemic' Looming, 2 out of 5 Americans Plan to Skip Flu Shot