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 of Sore Throat in the Morning. Acid Reflux. The rising acid associated with gastroesophageal reflux disease (GERD) may reach the level of the throat when sleeping or lying flat. The acid can pool at the back of the throat for periods of time as swallowing is significantly decreased during sleep.