Medical Article

กระเพาะอาหารอักเสบ

กินดึกก่อนนอน

ขับถ่ายผิดปกติ

ท้องผูกสลับท้องเสีย

ท้องอืดเรื้อรัง

อาการปวดท้องหลังอาหาร

โรคลำไส้แปรปรวน

กินหนัก ดื่มจัด ทำร้ายกระเพาะและลำไส้โดยไม่รู้ตัว เสี่ยงโรคอะไรบ้าง ?

In an era where fast-paced living, hard work, and socializing have become part of daily life, many people may be familiar with behaviors such as eating quickly, eating large meals, drinking alcohol, or eating late before bed without realizing that these behaviors continuously burden the digestive system.
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Although initially there may only be minor symptoms such as bloating, fullness, or frequent burping, if left untreated for a long time, it may increase the risk of various digestive diseases such as acid reflux, gastritis, irritable bowel syndrome, or even pancreatitis.
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This article by Dr. Natthida Sribuathong will help you understand which eating behaviors cause the digestive system to work harder and how to adjust your habits to maintain long-term digestive health.
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<h2>How does the digestive system work after eating?</h2>
After we eat, the body immediately begins the digestion process, with the main organs responsible being the stomach and intestines.
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<h2>Function of the stomach</h2>
When food enters the stomach, the stomach starts contracting and secreting acid and digestive enzymes to turn solid food into liquid form, to initially digest proteins and pass the food to the small intestine. This process takes about 2–4 hours, depending on the type and amount of food. If you eat too much or consume high-fat foods, the stomach has to work harder and take longer to digest.
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<h2>Digestion and intestinal contractions</h2>
After food passes from the stomach into the small intestine, the body begins absorbing nutrients. The intestines contract rhythmically (peristalsis) to move food along the digestive tract. If the digestive system frequently has to work hard due to inappropriate eating behaviors, it may cause abnormalities in digestion and intestinal motility.
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<h2>Eating behaviors that make the stomach and intestines work harder</h2>
Daily eating behaviors directly affect the functioning of the digestive system, especially the following behaviors:
1. Eating quickly, not chewing thoroughly Eating too fast causes the stomach to digest food that is still large in size, making the digestive system work harder and may easily cause bloating or fullness.
2. Eating excessively large meals Consuming a large amount of food in one meal causes the stomach to expand more than usual, resulting in symptoms such as fullness, indigestion, or acid reflux.
3. Eating late before bed Eating close to bedtime causes the stomach to continue working while the body is lying down, which may cause stomach acid to reflux into the esophagus more easily.
4. Very fatty or spicy foods High-fat foods take longer to digest, and spicy foods may irritate the stomach lining.
5. Caffeine and alcohol Beverages containing caffeine, such as coffee, and alcoholic drinks can irritate the stomach lining, stimulate acid secretion, and increase the risk of acid reflux or gastritis.
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<h2>Warning symptoms that many overlook</h2>
Often, digestive system abnormalities develop gradually, causing many people to overlook the body&#8217;s warning signs. These symptoms may seem mild but if they occur frequently or chronically, they may indicate digestive system disorders such as:
<ul>
<li>Bloating, fullness after eating</li>
<li>Heartburn</li>
<li>Abdominal pain after meals</li>
<li>Frequent burping or excessive gas</li>
<li>Abnormal bowel movements, alternating constipation and diarrhea</li>
</ul>
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<h2>What digestive diseases are you at risk of from heavy eating and drinking?</h2>
<ol>
<li>Gastroesophageal reflux disease (GERD) Caused by stomach acid refluxing into the esophagus, resulting in heartburn, sour burping, or chest pain.</li>
<li>Gastritis Irritation of the stomach lining, which may be caused by spicy foods, alcohol, irritation of the stomach lining, and excessive acid secretion.</li>
<li>Stomach ulcers If stomach lining inflammation is chronic and continuous, it may lead to more severe symptoms and cause stomach ulcers, which can result in chronic abdominal pain or gastrointestinal bleeding.</li>
<li>Irritable bowel syndrome Inappropriate eating behaviors, accumulated stress, and insufficient rest may cause abnormal intestinal function, increased sensitivity to stimuli, resulting in abdominal pain, fullness, bloating, diarrhea, or constipation.</li>
<li>Pancreatitis Excessive alcohol consumption is a major risk factor for pancreatitis, which can cause severe abdominal pain and requires urgent diagnosis and treatment by a physician.</li>
</ol>
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<h2>How to adjust eating behaviors for balanced digestive function?</h2>
Taking care of the digestive system can start by adjusting daily habits such as:
<ul>
<li>Eating meals on time and chewing food thoroughly</li>
<li>Avoiding excessively large meals</li>
<li>Reducing fatty and spicy foods</li>
<li>Limiting alcohol consumption</li>
<li>Increasing intake of fiber-rich foods such as vegetables and fruits</li>
<li>Exercising regularly to help stimulate digestive system function</li>
</ul>
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<h2>When should you see a doctor?</h2>
Proper evaluation can help identify the cause of the disease and plan targeted treatment. If you have the following digestive symptoms, you should consult a doctor for diagnosis:
<ul>
<li>Chronic abdominal pain</li>
<li>Vomiting blood</li>
<li>Black stools</li>
<li>Unexplained weight loss</li>
<li>Acid reflux symptoms that do not improve with medication</li>
</ul>
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<h2>What diagnostic tests are available for digestive diseases?</h2>
Doctors may consider additional tests to evaluate abnormalities in the digestive system, such as:
1. Endoscopy Allows doctors to directly view the lining of the esophagus, stomach, upper small intestine, and colon to detect abnormalities such as stomach ulcers, infectious gastritis, or gastrointestinal cancers.
2. Abdominal ultrasound Used to examine internal abdominal organs such as the liver, gallbladder, and pancreas to assess organ abnormalities.
3. Blood tests Help evaluate the function and inflammation of various organs such as the liver and pancreas.
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Daily eating behaviors such as eating quickly, eating large meals, eating late, or regularly drinking alcohol may cause the stomach and intestines to work harder unknowingly and increase the risk of digestive diseases such as acid reflux, gastritis, stomach ulcers, irritable bowel syndrome, and pancreatitis.
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Maintaining digestive health can start by balancing eating habits: eating on time, chewing food thoroughly, reducing fatty foods and alcohol, and monitoring abnormal symptoms.
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If you experience symptoms such as chronic abdominal pain, heartburn, vomiting blood, or black stools, you should consult a doctor for proper diagnosis to enable early care and treatment of digestive diseases by the specialist medical team at Phyathai 2 Hospital.
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Dr. Natthida Sribuathong
Gastroenterologist and Hepatologist
Phyathai 2 Hospital

Eating quickly, having large meals, eating late at night, or frequently drinking alcohol can unknowingly put a strain on your stomach and intestines, increasing the risk of acid reflux, gastritis, stomach ulcers, and irritable bowel syndrome. Recognize the warning signs of digestive problems and learn how to adjust your eating habits to prevent these illnesses.

Overeating and drinking heavily can unknowingly damage your stomach and intestines, increasing your risk of various diseases.

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Overeating and drinking heavily can unknowingly damage your stomach and intestines, increasing your risk of various diseases.

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