Coffee has the functions of antioxidation and heart protection. In addition, coffee also has a certain influence on people's mood. Experiments show that the average person's intake of 300 mg (about 3 cups of brewed coffee) a day will have a good impact on a person's alertness and mood.
Because of its analgesic effect, caffeine is often combined with other simple analgesics, but it cannot be taken in large quantities for a long time. If you already have high blood pressure, using a lot of caffeine will only make your situation worse. Therefore, people with hypertension, coronary heart disease, arteriosclerosis and other diseases are not easy to drink for a long time.
Caffeine helps to improve alertness, memory and attention, but drinking too much coffee will have the same effect as eating the same dose of stimulants, causing tension. For patients with anxiety disorder, taking caffeine for a long time will aggravate symptoms such as sweaty palms, palpitations and tinnitus.
Extended data coffee is a kind of beverage made from roasted coffee beans, and it is the main drink that is popular all over the world together with cocoa and tea.
Coffee tree is a small evergreen tree of Rubiaceae. Coffee for daily drinking is made from coffee beans and various cookers. Coffee beans refer to nuts in the fruit of coffee trees, which are baked in an appropriate way. A cup of standard coffee should not be bitter. A qualified barista will strictly carry out every step when making coffee, and finally the coffee presented to the guests will be sweet, sour, mellow or clean in different degrees.
References:
Baidu encyclopedia-coffee