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.
Allergies as a Cause for Sore Throat. Postnasal drip is the main culprit in cases of allergy-induced sore throat. The result of exposure to an allergen, postnasal drip occurs when congestion in the sinuses drains down the throat, causing tickling or scratchy pain. The drainage also can cause: coughing.