Coffee, its benefits and contraindications, do you really understand it?

Coffee is a widely popular drink that can refresh the mind and improve work efficiency, but it is not suitable for everyone. Caffeine may cause side effects such as insomnia and palpitations, so insomniacs, pregnant women, and patients with hypertension should use it with caution. You should also pay attention to the time of drinking coffee, and it is not advisable to drink too much at night. Only by drinking coffee reasonably can its unique charm be brought into play and add vitality to life.

Coffee, this charming drink, has long penetrated into our daily lives. Whether it is a must-have for awakening the spirit in the morning or a weapon for boosting spirits in the afternoon, it seems to have become a necessity in modern life. But what are the effects of coffee? Who should avoid drinking it? What are its side effects? Let's take a deep look at this seemingly simple but profound topic.

1. The effects of coffee

1. Refresh the mind : The caffeine in coffee can stimulate the central nervous system and increase nerve excitability, thereby playing a refreshing role. Drinking it in moderation can help improve fatigue and improve work efficiency.

2. Promote digestion : Caffeine can stimulate the gastrointestinal tract to secrete gastric acid, promote digestion, and relieve loss of appetite. It can also increase the frequency of bowel movements and has a certain effect in relieving constipation.

3. Protect cardiovascular system : Drinking coffee in moderation can reduce the risk of cardiovascular disease. The various antioxidants and certain components of caffeine in coffee help improve vascular function and maintain cardiovascular health.

4. Reduce the risk of diabetes : Studies have shown that drinking coffee in moderation can reduce the risk of diabetes, which may be related to the fact that certain ingredients in coffee can improve insulin sensitivity.

2. Taboo Groups

1. Pregnant women : Pregnant women should try to avoid drinking coffee because caffeine may have adverse effects on the fetus.

2. Children and adolescents : Their bodies are not fully developed yet, and caffeine may affect their sleep and nervous system development, so it is not suitable for them to drink it.

3. Patients with cardiovascular diseases : Caffeine may aggravate the symptoms of cardiovascular diseases, so people with hypertension, coronary heart disease and other diseases should drink it with caution.

4. Insomnia patients : Caffeine has a stimulating effect. Drinking it may aggravate the symptoms of insomnia, so insomnia patients should avoid drinking it.

5. Patients with stomach problems : Caffeine stimulates the secretion of gastric acid and may aggravate the symptoms of stomach problems. Patients with gastric ulcers, gastritis, etc. should not drink it.

3. Side effects of coffee

1. Overexcitement : Some people are more sensitive to caffeine and may experience symptoms of overexcitement such as accelerated heartbeat and hand tremors after drinking it.

2. Impact on sleep : The stimulating effect of caffeine may make it difficult to fall asleep and affect the quality of sleep. Long-term drinking may cause sleep disorders.

3. Anxiety : Caffeine may aggravate anxiety in some people, causing them to feel nervous and irritable.

4. Osteoporosis : Long-term excessive drinking of coffee may lead to osteoporosis because caffeine has a diuretic effect and increases calcium excretion.

It should be noted that coffee contains high levels of sugar and fat. Long-term excessive drinking may lead to an increased risk of metabolic diseases such as obesity and diabetes. Long-term drinking of instant coffee may also lead to excessive intake of chemical additives, posing potential harm to the body.

Although coffee has certain benefits, it is not suitable for everyone. When choosing whether to drink coffee, we should fully understand our physical condition, drink it in moderation, never overdose, pay attention to the source and quality of coffee, and choose a healthy lifestyle.