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 ...
Infections in the nose and sinuses also can cause sore throats, because mucus from the nose drains down into the throat and carries the infection with it. The most dangerous throat infection is epiglottitis, caused by bacteria that infect a portion of the larynx (voice box) and cause swelling that closes the airway.