Coffee helps to improve mental performance.

Usually, people's attention and behavior abilities decline after meals. If you have a cup of coffee at this time, you can avoid the adverse effects of inattention on work and study. After evaluating a large number of studies on the effects of caffeine on mental performance, the European Food Safety Department found a causal relationship between caffeine intake and increased sensitivity and concentration. The amount of caffeine (about 75 milligrams) in a cup of coffee helps to improve attention and sensitivity. It is worth mentioning that caffeine can also help improve visual attention, usually with a low dose of 200 milligrams (equivalent to two cups of coffee). This is a big boon for driver friends. Making two cups of coffee before driving can help you get back to driving condition as soon as possible.

Our brains process a lot of complicated information every day, and making a few cups of coffee can help us effectively maintain and improve our memory. A new study in the United States has found that caffeine can help improve memory, shorten reaction time and make the mind sharp. Studies have shown that caffeine can significantly reduce the level of a substance in the brain called beta amyloid, which causes memory loss, thus helping us maintain and improve our memory. According to 101 reasons for Coffee innocence, caffeine can effectively relieve fatigue, especially during exercise, so coffee is undoubtedly a preferred auxiliary drink for sports lovers. The reason is, on the one hand, caffeine can ease the decomposition of glycogen in muscles, so that the body has more fuel to keep moving. On the other hand, caffeine can enhance muscle contraction and prolong the time of physical exertion. At present, coffee has been used as a functional supplement by many athletes.

Drinking coffee can not only have a positive effect on behavior, but also help to improve mood. Studies have shown that caffeine in two cups of coffee increases pleasure and self-confidence, greatly increases excitement and keeps people in a good mood, which may be one of the reasons why more than a billion people around the world drink coffee in the first place every day.