Side effects and contraindications of coffee, in-depth understanding of the effects of coffee on the human body

Coffee contains stimulants such as caffeine, which may cause side effects such as insomnia, palpitations, and stomach pain. Caffeine may also induce health problems such as high blood pressure and cardiovascular disease, so people with related problems should drink it with caution. Pregnant women, breastfeeding women, children and other special groups should also be careful to avoid excessive drinking. We should have a deep understanding of the effects of coffee on the human body and drink coffee scientifically and rationally to avoid adverse effects.

In this fast-paced era, coffee seems to have become an indispensable drink in our lives. It can help us refresh our minds and improve work efficiency, but do you really understand the side effects and contraindications of coffee?

1. Side effects of coffee

1. Impact on the nervous system : The caffeine in coffee is a stimulant. Excessive intake can lead to over-excitement of the nervous system, resulting in symptoms such as anxiety, irritability, and insomnia. Especially for patients with neurasthenia and insomnia, drinking coffee may aggravate the symptoms.

2. Digestive system problems : Drinking coffee on an empty stomach can easily stimulate gastric acid secretion and cause damage to the gastric mucosa. Long-term doing so may cause diseases such as gastritis and gastric ulcers. Caffeine also promotes intestinal peristalsis and may cause diarrhea.

3. Cardiovascular effects : Caffeine can increase the heart rate and blood pressure, which may aggravate the condition of patients with heart disease and hypertension. Long-term and excessive drinking of coffee may also cause arrhythmia.

4. Impact on bone health : Caffeine has a diuretic effect and will increase the excretion of calcium in urine. In the long run, it may affect bone health and increase the risk of osteoporosis.

2. Contraindications of coffee

1. Pregnant women : Pregnant women are advised to avoid drinking coffee, because caffeine will affect the fetus through the placenta, which may cause fetal maldevelopment, premature birth and other problems.

2. Breastfeeding women : After a breastfeeding woman drinks coffee, the caffeine will enter the baby's body along with the breast milk and affect the development of the baby's nervous system.

3. Children and adolescents : The nervous system of children and adolescents is not fully developed. Caffeine may have adverse effects on their nervous system, so it is best to avoid drinking it.

4. Patients with cardiovascular diseases : As mentioned earlier, caffeine will aggravate the condition of patients with cardiovascular diseases, so patients with heart disease and hypertension should try to avoid drinking coffee.

5. Patients with digestive system diseases : Patients with digestive system diseases such as gastritis and gastric ulcer should avoid drinking coffee to avoid irritating the gastric mucosa and aggravating the condition.

6. Patients with urinary stones : Caffeine has a diuretic effect and may aggravate the condition of patients with urinary stones.

There are also some special circumstances where you should try to avoid drinking coffee, such as when you are overly tired or emotionally unstable. At this time, the body is already in a sensitive state, and drinking coffee may increase the burden on the body. Coffee drinks on the market often contain sugar and other ingredients. Long-term drinking may have adverse effects on health. While we enjoy the refreshing effect brought by coffee, we must also pay attention to its possible side effects and contraindications. Only by drinking it reasonably can we avoid causing unnecessary harm to the body. In daily life, we should drink coffee in moderation or choose other drinks according to our physical condition and living habits to maintain good physical health and mental state. Let us have a deeper understanding of the impact of coffee on us!