1. Sleep problems: Coffee contains caffeine, which may attack the nervous system, causing insomnia, anxiety, fatigue, depression and other problems. If you drink too much coffee at night, it may affect your sleep quality and aggravate your fatigue.
2. Physical reaction: After drinking too much coffee, the human body may have a series of obvious physical reactions, including stomach discomfort, headache, palpitation, sweating and other uncomfortable symptoms, and in severe cases, it may also lead to fainting and other symptoms.
3. Digestive problems: Coffee may stimulate the gastrointestinal tract and accelerate the secretion of gastric acid, produce too much gastric acid and increase the corrosiveness of gastric acid, which may easily lead to discomfort such as stomach pain, gastritis and flatulence, and may even lead to peptic ulcer in severe cases.
4. Mental health: Caffeine, as a stimulant, may easily lead to a sense of dependence. After stopping drinking, it may cause discomfort such as insomnia, fatigue and depression. Drinking coffee for a long time may also affect the normal operation of the nervous system and affect mental health.
5. Loss of calcium: After drinking too much coffee, the human body may lose the ability to absorb calcium, which may easily lead to osteoporosis.
6. Eating too much caffeine in food and drinks may increase the risk of stroke and arrhythmia.
In short, there is nothing wrong with coffee itself, but if you drink too much or not in moderation, it may have an impact on your health. It is suggested to develop the habit of drinking coffee moderately, and drink 1-2 cups of coffee a day. For those who are sensitive to caffeine, have heart disease, high blood pressure, gastrointestinal problems, pregnant women and people who nourish liver and skin care, it is necessary to avoid or reduce coffee intake.