Coffee, its effects, functions and side effects, do you really understand it?

Coffee is a beverage that has the effects of refreshing the mind and improving work efficiency, and is widely loved by people. However, excessive coffee consumption may cause side effects, such as insomnia and palpitations. While enjoying the benefits of coffee, we should also understand its effects and side effects, drink it reasonably, and avoid adverse effects on the body. Individual differences will also affect the effect of coffee on the human body, so it is necessary to drink it in moderation according to one's own situation.

In this fast-paced era, coffee has almost become a necessity in modern people's lives. Whenever you are tired from work or study, a cup of coffee can always instantly refresh your mind. Is coffee really just that? What other unknown effects and functions does it have? What are the potential side effects? Let's walk into the world of coffee and explore the mysteries behind it.

1. The efficacy and function of coffee

1. Refresh the mind : The caffeine in coffee is an alkaloid that can stimulate the central nervous system and keep the brain in an excited state, thereby playing a role in refreshing the mind.

2. Improve work efficiency : Caffeine can reduce fatigue and improve work efficiency. Many studies have shown that drinking coffee in moderation can improve people's attention, reaction ability and thinking sharpness.

3. Promote digestion : Caffeine can stimulate gastrointestinal motility, promote the secretion of digestive juice, and help digestion.

4. Prevention of diabetes : Certain ingredients in coffee are related to a reduced incidence of diabetes. Drinking coffee in moderation may have a certain positive effect on preventing diabetes.

5. Protect cardiovascular health : Studies have shown that drinking coffee in moderation can reduce the risk of cardiovascular disease. The antioxidants in coffee help reduce the accumulation of cholesterol and protect cardiovascular health.

2. Side Effects of Coffee

1. Insomnia and decreased sleep quality : The stimulating effect of caffeine may cause insomnia or decreased sleep quality, especially for people who are sensitive to caffeine.

2. Palpitations and arrhythmia : The stimulation of caffeine may cause palpitations and arrhythmia, which may have adverse effects on heart health.

3. Digestive system problems : Excessive coffee consumption may cause digestive system problems such as stomach pain and gastric ulcers, especially drinking coffee on an empty stomach, which may irritate the gastric mucosa.

4. Dehydration : Caffeine has a diuretic effect. Long-term and excessive drinking may lead to dehydration.

5. Affecting calcium absorption : Long-term and excessive drinking of coffee may affect calcium absorption and increase the risk of osteoporosis.

3. How to drink coffee scientifically

1. Control the amount of drinking : Moderate drinking is the key, generally no more than 3-5 cups a day.

2. Choose high-quality coffee beans : High-quality coffee beans have a moderate caffeine content and are richer in other nutrients.

3. Pay attention to the drinking time : avoid drinking at night or before going to bed to avoid affecting sleep.

4. Individual differences : Different people have different sensitivities to caffeine, so the amount of caffeine consumed should be adjusted according to their own circumstances.

5. Pregnant women and children should drink with caution : Pregnant women and children are more sensitive to caffeine and should drink it with caution or avoid drinking it.

The world of coffee is full of unknowns and mysteries. It is not only a good medicine for refreshing the mind, but also a delicious drink in life. We should also understand its possible side effects and drink it scientifically so that coffee can truly serve our health and life. In this article, we explore the effects, functions and side effects of coffee, hoping to provide everyone with a useful reference, so that we can look at coffee more rationally and truly enjoy it.