Join Date: Mar 2006
My Motorhome: Chausson Welcome 85 2007
Thanked 155 Times in 150 Posts
Vigorous exercise will lead to vigorous breathing. This, in turn, will loosen the foul coating of mucous in our lungs and deposit it in our airways. So a cough and a spot clears it.
If you've ever been into long distance running or other r activity that requires a long duration of heavy breathing (stop it!) you'll notice as your fitness and training Increases this phenomenon disappears. As footballers only run for very short distances their lungs don't get the chance to completely clear. So every time they have to put in a bit of effort 'cos the boss is watching they start coughing and spitting.
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The two impulses in travel are to get away from home, and the other is to pursue something - a landscape, people, an exotic place. Certainly finding a place that you like or discovering something unusual is a very sustaining thing in travel.