Black coffee in the morning: the pros and cons revealed

introduction

In the morning, a cup of black coffee is a must-have drink for many people to start a new day. Black coffee is loved for its rich aroma and unique taste. However, we need to have a comprehensive understanding and analysis of the pros and cons of drinking black coffee in the morning.

Pros: Refreshing

After getting up in the morning, most people feel tired and sleepy. At this time, drinking a cup of black coffee can quickly refresh the mind. Because black coffee contains a lot of caffeine, it can stimulate the central nervous system and increase the secretion of adrenaline. This stimulation can help us stay awake, concentrate, and improve work efficiency.

Disadvantages: Reduced sleep quality

However, excessive caffeine intake may lead to poor sleep quality. Since black coffee contains a higher concentration of caffeine, it may cause insomnia if consumed too late in the evening or in large quantities. The stimulating effect of caffeine can make people excited and difficult to fall asleep. Therefore, if you have sleep problems or are prone to anxiety and tension, it is best not to drink black coffee in the evening.

Benefits: Promote metabolism

The caffeine in black coffee can speed up the metabolic process. Studies have shown that moderate intake of black coffee can increase fat oxidation and energy expenditure, and increase the rate of fat decomposition in the body. This is good news for people who want to lose weight or control their weight.

Disadvantages: Increased gastric acid secretion

However, drinking black coffee may also increase gastric acid secretion. Excessive intake of black coffee can stimulate the gastric mucosa to produce more gastric acid, which can cause stomach pain, indigestion, and even ulcers. If you have a sensitive stomach or digestive system problems, it is best to limit your intake of black coffee.

Benefits: Antioxidant effect

In addition to refreshing the mind and promoting metabolism, black coffee also has an antioxidant effect. Black coffee is rich in polyphenols, such as catechins and tannins. These substances can remove free radicals in the body, reduce cellular oxidative damage, and have a positive effect on preventing cardiovascular diseases, cancer, and Alzheimer's disease.

Disadvantage: Increased dependency

However, long-term excessive intake of black coffee may lead to increased dependence. When we are used to drinking a cup of black coffee every morning to refresh ourselves, if we suddenly stop consuming it or reduce our intake, we may experience withdrawal reactions such as headaches, anxiety, and depression.

in conclusion

In general, drinking black coffee in the morning is good for health within a moderate range. It can refresh the mind, promote metabolism and has antioxidant effects. However, when enjoying these benefits, you should also pay attention to controlling your intake and avoid consuming it too late or in excess to avoid affecting sleep and stomach health. In addition, long-term excessive intake of black coffee may lead to increased dependence, so we should maintain a moderate drinking habit.

References

1. Nehlig A, Daval JL, DEbry G. Caffeine and the central nervous system: mechanisms of action, biochemIcal, metabolic and psychosTIMulant effects[J]. Brain research reviews, 1992, 17(2): 139-170.

2. James J E. Critical review of dietary caffeine and blood pressure: a relationship that should be taken more seriously[J]. Psychosomatic medicine, 2004, 66(1): 63-71.

3. Higdon JV, Frei B. Coffee and health: a review of recent human research[J]. Critical Reviews in Food Science & Nutrition (Food & Nutrition Press), 2006, 46 (2): 101 -123.

4. Dórea JG, da CoSta THM. Is coffee a functional food?[J]. British Journal of Nutrition (Cambridge University Press), 2005, 93 (6): 773 -782.