A dry cough occurs as a natural reflex when inflammation ... and inflamed lumps can cause permanent scarring in your lungs ...

A dry cough is one that doesn't produce mucus ... but scientists think that coughing can increase the pressure in your chest and belly, which then raises the pressure in your brain, causing ...

"All you need to do is put pressure with your index ... Although, in the case of the dry hacking left behind from a week-long chest infection, the cough did come back once the stimulation ended.