Benefits: maintain the skin. Caffeine has the function of accelerating skin metabolism. It has a very high content of soluble dietary fibres in coffee, which can lighten dark circles caused by non-circulation of blood, resist oxidation, maintain skin's vitality and delay aging, etc. It has the function of accelerating gastrointestinal peristalsis. For women with mild constipation, they can also drink coffee properly to relieve constipation.

Disadvantages: Gastrointestinal diseases: Some ingredients in coffee will increase the secretion of gastric acid in the stomach, but also stimulate the gastric mucosa. Drinking too much may also lead to gastric ulcer, especially when drinking coffee on an empty stomach, which is the most harmful to the stomach.

Extended data:

Precautions:

Suffering from hypertension, coronary heart disease, arteriosclerosis and other diseases: drinking coffee for a long time or in large quantities can cause cardiovascular diseases.

Older women: Coffee will reduce calcium and cause osteoporosis. After menopause, women need to add ten times the amount of calcium every day.

Patients with stomach diseases: drinking too much coffee can cause stomach diseases to worsen.

Pregnant women: drinking too much coffee can lead to fetal malformation or abortion.

Vitamin B 1 deficiency: vitamin B 1 can keep the balance and stability of the nervous system, but coffee can destroy it.

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