MYTH: Food can be left at room or outdoor temperature for more than two hours. REALITY: Because bacteria grow rapidly in the danger zone between 40 degrees F and 140 degrees F, food left at room temperature for more than two hours should be discarded.
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. Chemotherapy also causes the immune system to overreact and excessive phlegm is often the result.
Causes[edit] Drooling or sialorrhea can happen in sleep. It is often the result of open-mouth posture from CNS depressants intake or sleeping on one's side. In sleep, saliva may not build at the back of the throat, triggering the normal swallow reflex, thus allowing for the condition. Other causes include: