The highest temperature in summer can reach 42 degrees Celsius. In summer, because of the heat, bacteria will multiply too fast, which is risky. Therefore, friends had better not eat overnight meals in summer.

Overnight meal corruption may cause a series of bacterial fermentation, and then some harmful bacteria or fungi such as mold appear.

So it is easy to have some abdominal symptoms after eating, such as abdominal pain and bloating, nausea and vomiting, acid reflux and heartburn, diarrhea and fever. At the same time, eating overnight meals for a long time will also cause damage to gastrointestinal mucosa, which is easy to cause congestion, edema and inflammation of intestinal mucosa, and then it is easy to have changes such as erosion, ulcer and bleeding.