Coffee makes you more focused? Wrong! The surgeon who needs to concentrate the most will tell you the answer.

Before turning on your computer in the morning and getting ready to start work, are you used to having a cup of coffee to make yourself more focused?

Yoshinori Nagumo, a Japanese physician known as a "famous doctor who is not old enough," in his new book, "Why does the concentration of first-class talent last all day?" Coffee is not only bad for concentration, but also bad for concentration, Li said.

Nan Yun is a famous authoritative surgeon in Japan. He performs operations that do not allow mistakes every day and performs nearly a thousand operations a year. "concentration" is his necessary work attitude. He believes that willpower and responsibility alone cannot concentrate, but must be strengthened through sleep, exercise, food and the environment.

He deciphers many myths about concentration in his book, "drinking coffee can improve concentration" is one of them.

Nan Yun points out that when you are tired, you want to smoke and drink coffee, all of which belong to "addiction", that is, material dependence. These addictive foods will not increase your concentration, but will put you in a "never quitting state" and will not be able to show satisfactory inspiration.

Caffeine, which is found in coffee beans and tea leaves, belongs to alkaloids. People who can't wake up without coffee or tea in the morning are addicted to caffeine. These addicts always want to rely on caffeine to get rid of fatigue or drowsiness, but the effect is only temporary, and a stronger sense of fatigue and drowsiness will follow, undermining the ability to concentrate.

Nanyun said that people who claim to be able to concentrate as long as they consume caffeine are obviously addicted to nicotine and caffeine and will not be able to concentrate without them. However, coffee can keep people focused for a very short period of time, and it will not be long before they appear anxious because of withdrawal symptoms, and hinder concentration more seriously.

Nan Yun points out that people are best able to concentrate and do their best on an empty stomach. Therefore, when you want to be more focused at work, please do not eat, do not drink, you can continue to concentrate.