Is it OK to drink bitter coffee regularly?

Drinking in moderation is good, and the following are the dangers of overdose:

Coffee contains caffeine, which can excite the nervous system and cause insomnia or nervousness. Moreover, if you consume too much caffeine, you are prone to tinnitus and hypercardia, that is, the heart beats rapidly, the number of pulses increases, and the pulse beats unevenly, so you must drink coffee in moderation. It is advisable not to drink coffee excessively.

Drinking coffee can worsen heart emergencies and high blood pressure. For those suffering from high blood pressure, coronary heart disease, arteriosclerosis and other diseases, long-term or large consumption of coffee can cause cardiovascular disease. If you already have high blood pressure, using a lot of caffeine will only make your condition worse.

Because caffeine alone can raise blood pressure, when combined with emotional stress, it can have a dangerous synergistic effect. The daily intake of caffeine must be controlled within 200 mg, that is, no more than 3 cups of coffee per day.

Middle-aged and elderly women drink a lot of coffee, which will affect the body's absorption of calcium and cause osteoporosis, and in fact, women need to increase the amount of calcium ten times a day after menopause. Caffeine itself has a good diuretic effect, if you drink coffee for a long time and in large quantities, it is easy to cause bone loss, which will have an adverse impact on bone preservation.

Drinking too much coffee in people with stomach problems can cause stomach problems to worsen. Drinking a lot of coffee can affect appetite and may cause vomiting and cramps, as well as gastritis and a thick tongue coating, which can make the body feel tired and weak.

Excessive coffee consumption in pregnant women can lead to fetal malformations or miscarriage; When a breastfeeding woman drinks coffee, the caffeine will enter the child's body with the milk, making the child irritable and unable to sleep.

Vitamin B1 deficiency patients drink too much coffee, and coffee will destroy the vitamin B1 it absorbs, which has a balanced and stable effect on the nervous system.

Due to the incomplete development of children's liver and kidneys and poor detoxification ability, the half-life of caffeine metabolism will be prolonged, so generally speaking, children under 12 years old need to prohibit caffeine intake. Even Europeans and Americans who drink coffee as boiled water all day long have very strict restrictions on children drinking coffee.

Coffee has become a favorite drink among young people, and its quality is even better than that of milk and soy milk. Coffee has a refreshing effect, in terms of the nutritional value of coffee, it contains a part of tannins, which can play a certain antioxidant role and improve nerve function.

A lot of research has been done abroad, and one to two cups of coffee a day can help the human body improve immune function and improve work efficiency. It's just that as for coffee itself, if the intake of coffee brings trans fatty acids, it is more than worth the loss. Therefore, when drinking coffee, try not to add sugar and add additional vegetable fat, so as not to affect human health.

In addition, drinking too much coffee, such as more than six cups of coffee a day, may bring excessive nervous excitement, affect sleep, and also cause decalcification in the body, causing osteoporosis, so one to two cups of coffee a day is the best choice.

In general, the benefits of bitter coffee mainly include refreshing the mind and improving digestion, and the disadvantages are that drinking large amounts can cause insomnia and also affect calcium absorption.

1. Refreshment: Bitter coffee is very rich in nutrients, which contains a very high content of caffeine, which can excite the sympathetic nerve, improve the ability to think and respond, make the mental state more vigorous, and relieve fatigue. Drinking bitter coffee in moderation can play a refreshing role;

2. Improve digestion: Bitter coffee contains cellulose, cocoa butter and caffeine, which can promote gastrointestinal peristalsis and prevent constipation. Promotes the secretion of digestive juices in the digestive tract and accelerates the emptying of the gastrointestinal tract. Drinking bitter coffee in moderation can play a role in promoting digestion.

1. Causes of insomnia: such as drinking a lot of bitter coffee, or drinking bitter coffee before going to bed, due to the high intake of coffee, the sympathetic nervous system is overexcited, which can affect sleep, cause sleep disorders, and lead to insomnia. Especially for people who don't sleep well, they are more likely to have insomnia;

2. Reduce calcium absorption: If you drink a lot of bitter coffee, the oxalic acid and caffeine contained in it will be continuously absorbed into the body, which will not only affect the absorption of calcium, but also cause different degrees of calcium loss in the human body. If you drink a large amount of it for a long time, it will cause calcium deficiency in the body, which is not conducive to bone health.

Coffee is rich in riboflavin, niacin, pantothenic acid, and minerals, coffee helps prevent cancer, slow down aging, and coffee also contains caffeine. It has the effect of stimulating the brain, can relieve physical fatigue, of course, if you drink coffee for a long time, it will also have certain harm, because caffeine makes the nerves in an excited state for a long time, which can easily lead to mental tension and insomnia, and may have a bad impact on cardiovascular and cerebrovascular diseases, which may lead to high blood pressure, coronary heart disease or arteriosclerosis.