Excessive consumption of coffee has the following risks:

1, coffee can increase the risk of heart disease.

2, causing nervousness. For people who tend to have anxiety disorders, caffeine can cause sweaty palms, palpitations, and tinnitus, which are symptoms that worsen.

3, coffee can lead to increased blood pressure, prompting the contraction of blood vessel walls, inducing osteoporosis caffeine itself has a very good urinary diuretic effect if long-term and a large number of coffee, easy to cause bone loss, the preservation of bone will have a negative impact.

4, caffeine can increase gastric acid, sustained high dose intake will lead to peptic ulcer, erosive esophagitis and gastroesophageal reflux disease.

Drinking coffee precautions:

1, drink less three-in-one coffee. Three-in-one coffee, most of the coffee concentrate or coffee flavored powder made, and it is not possible to use a good coffee beans, and it is added to the sugar and creamer higher calories.

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2. When you drink it, smell it first and then taste it with your tongue. When you drink coffee, don't gulp it down, but smell it close to your nose first. If you smell it with a halo odor, it means the coffee beans are not fresh. After passing the smell test, take a mouthful of coffee in your mouth, taste it with your tongue, and slowly swallow it down your throat. If it tastes clean and bright, the aroma is full and pleasant, and the body has no adverse reaction, it is a good cup of coffee.

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3. Use fresh milk instead of creamer. For the sake of health, it is recommended to use fresh milk instead of creamer, and add less sugar to avoid offsetting the original benefits of coffee.

The above content reference? People's Daily - coffee affects 6 parts of the body alert to drink coffee 7 taboos, People's Daily - often drink coffee, you know the pros and cons of coffee? Baidu Encyclopedia - Coffee (one of the world's three major beverages)