What are the causes of decreased appetite?

　　1. Drinking alcohol and smoking: Alcohol can damage the taste buds on the tongue that specialize in taste. Alcohol can also directly damage the gastric mucosa. If you suffer from ulcer disease or chronic gastritis, drinking alcohol will aggravate the condition and even cause perforation of the stomach and duodenum. Smoke is no less harmful to the gastric mucosa than drinking alcohol. Smoking can also cause chronic gastritis.

　　2. Emotional stress and excessive fatigue: In today's fast-paced and competitive society, people are prone to insomnia, anxiety and other nervous emotions, which can lead to gastric acid-interfering dysfunction and loss of appetite.

　　3. Excessive physical or mental work: It will cause insufficient blood supply to the gastric wall, gastric secretion and weakening of gastric digestive function.

　　4. Raw and cold food: Frequently eating raw and cold food, especially before going to bed, can easily lead to stomach cold, nausea, vomiting, and loss of appetite.

　　5. Uneven hunger and fullness: The stomach is often in a state of hunger, which can cause damage to the gastric mucosa over time.

　　6. Overeating makes the stomach overly distended: Food staying for too long can cause mucosal damage at best, or gastric perforation at worst.

　　7. Exercise after a full meal: Intense exercise within a short period of time after a full meal will cause increased gastric motility, followed by gastric cramps, stomach pain and discomfort, nausea and vomiting, loss of appetite, and some may even cause gastric volvulus.

　　8. Eat a full meal before going to bed: Overeating at dinner will inevitably increase the burden on the gastrointestinal tract, disrupt gastric juice secretion, and easily cause loss of appetite. In addition, it can also lead to obesity, poor sleep, stones, diabetes, etc.

　　9. Drug factors: Some chronic disease Long-term medication is required, and long-term use of certain medications can lead to drug-induced dysgeusia. Sometimes it is also related to the environment, psychological state, food processing, etc.