1. Sleep problems: Coffee contains caffeine, which may invade the nervous system, leading to insomnia, anxiety, fatigue, depression and other problems. If you drink too much coffee at night, it may affect the quality of sleep and aggravate 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 may even lead to fainting and other symptoms in severe cases.
3. Digestive problems: Coffee may stimulate the gastrointestinal tract, accelerate the secretion of gastric acid, produce too much gastric acid, increase the corrosiveness of gastric acid, easily lead to stomach pain, gastritis, flatulence and other discomfort, and even lead to peptic ulcer in severe cases.
4. Mental health: As a stimulant, caffeine may easily lead to dependence. Abstinence may cause insomnia, fatigue, depression and other discomfort. 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 its 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 in moderation and drink 1-2 cups of coffee every day. For people who are sensitive to caffeine, people with heart disease, high blood pressure and gastrointestinal problems, pregnant women and people who care for their liver and skin, it is necessary to avoid or reduce the intake of coffee.