You can’t drink black coffee if you have a bad stomach or intestines.
Black coffee contains a substance called tannic acid, tannic acid will stimulate the gastrointestinal mucosa to promote the secretion of digestive juices, gastrointestinal bad people drink black coffee is easy to cause an increase in gastric acid secretion, aggravate the inflammation of the gastric mucosa, may develop into peptic ulcer, and even gastrointestinal bleeding.
Black coffee contains a large number of caffeine substances, which can stimulate the human nervous system over-excitement, at the same time, the visceral nerves also have an excitatory effect, but also cause gastrointestinal endocrine hyperfunction, peristalsis, etc., aggravate the symptoms, the patient may appear stomach pain, diarrhea, intestinal colic, etc..
People with poor stomach and intestines must pay attention to their diet in daily life, avoid eating spicy stimulation, too greasy, cold and cold food, etc., in order to light and well-digested diet. People with gastrointestinal problems need to abandon some bad habits, such as drinking alcohol, strong tea, coffee, smoking and so on.
It is recommended that people with poor stomach and intestines go to the gastroenterology department of the hospital for regular checkups, and once diagnosed with organic diseases, follow the doctor’s instructions for treatment as soon as possible.