Children and young people. In 2011-12, toddlers and pre-schoolers (aged 2â4 years) spent an average of around 6 hours per day engaged in physical activity. They also spent almost one and a half hours (83 minutes) in the sedentary activities of watching TV, DVDs or playing electronic games.
There are several most common causes for throat congestion and among them are smoking, second hand smoke, air irritants, some chemicals, pollen, dust, viral infection or throat infection (such as measles or chicken pox), hard or big objects swallowing (usually occurs among children), respiratory or lung problems, heart conditions, strep throat, flue ...
Food allergies are also known to cause excessive phlegm and certain types of food such as dairy products cause a thickening of mucous. Postnasal drip also commonly causes excess mucus at the back of your nose and throat many times after eating. Excessive, thick phlegm or chest mucus can often be caused by viral or bacterial infections such as influenza, bronchitis and pneumonia, as well as irritants such as those inhaled during smoking.