Hold your breath and count “8” to judge your lung capacity?
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How many lines of "8" can your lung capacity type? Recently, a game has become popular in WeChat Moments. It is about how many "8"s you can type while holding your breath, and whether your lung capacity is normal is determined by the number of "8". While netizens are having a lot of fun playing it, they are also worried about whether holding your breath for a long time will cause physical damage. A respiratory doctor in Shanghai said that it is not scientific to judge lung capacity only by the number of "8"s typed while holding your breath, and reminded people who are tall and thin and have a "bamboo pole" body to play less holding their breath, otherwise they may cause pneumothorax. Screen-sweeping: Lung capacity test "conquers" WeChat Moments. In the past two days, a game has become popular in WeChat Moments. The game claims to test lung capacity, and the method is very simple: while holding your breath, keep typing "8" with your hands. The longer you hold your breath, the more "8"s you can type. The rules of the game state that "normal people can type 5 lines, super people can type more than 9 lines, and if it is less than 5 lines, you should go see a doctor." It is precisely because of its simplicity that WeChat Moments was quickly conquered by the "lung capacity test". When the screen was flooded with "88888" at the beginning, many people did not know what was going on, but after knowing the rules of the game, they also joined the team of flooding the screen. Yesterday afternoon, the reporter's circle of friends had 6 more "lung capacity tests". The reporter found that the number of lines entered by micro friends was 13, and the number of lines entered by the least was 6, all of which were within the so-called normal range of lung capacity. Hunan Satellite TV's famous host He Jiong also followed suit and entered 192 "8"s in one breath. Nearly 20,000 netizens forwarded and participated in his Sina Weibo. The reporter could not help but do an experiment yesterday. From the beginning of holding breath to resuming breathing, he entered more than 7 lines, a total of 267 "8", and the time was 1 minute and 13 seconds, 75 more than He Jiong. The reporter also learned that Italian David Merini is the Guinness World Record holder for deep-water breath holding, holding his breath for 20 minutes and 55 seconds. Explanation: "Can holding your breath for a long time really kill you?" With the popularity of the "lung capacity test" game, some jokes have also been released. One of the jokes imitated a police press release and became widely circulated: "A man died unexpectedly at home. The police rushed to the scene of the accident and initially ruled out the possibility of homicide. It was revealed that the deceased died of suffocation. There were more than 50 lines of '8' on the screen of the deceased's mobile phone. The incident is under further investigation. Friends, cherish life and stay away from '88888'." Although it is a joke, netizens are also worried: "Can holding your breath really kill you?" "Is holding your breath for too long harmful to your body?" "Hua Luo Cheng Shi", the editor of the "Rumor Crusher" column of Guokr.com, gave a clear answer yesterday: "Holding your breath will not kill you!" He explained that human breathing can be consciously controlled. When humans run and swim, they control their breath and hold their breath by conscious control, but the human body also has a mechanism for controlling breathing that does not require conscious participation. This unconscious breathing is controlled by the brain stem, and the breathing rate and the amount of breath exhaled in one breath depend on the needs of the body. When the carbon dioxide in the blood increases, the carbonic acid will increase, and the lactic acid produced during exercise will also lower the pH value. The decrease in the pH value in the blood will stimulate the chemoreceptors in the carotid artery and aorta, and also stimulate the respiratory center in the medulla oblongata. The chemoreceptors will send nerve impulses to the respiratory centers in the medulla oblongata and pons (both are parts of the brainstem). These centers will issue instructions to make the body breathe. "Flowers Falling into Eclipse" made an analogy: "As long as he is strong enough and can hold it all the time, he will hold it until he faints. After that, the brainstem takes over and breathing returns." Reminder: Thin and tall "bamboo pole" body type people should play less breath holding games Professor Guo Xuejun, chief physician of the Department of Respiratory Medicine at Xinhua Hospital, School of Medicine, Shanghai Jiaotong University, told reporters that the popular "88888" vital capacity test game on the Internet is only suitable for entertainment and has no practical significance, because healthy people have no need to practice holding their breath, especially young and middle-aged people under 40 years old. On the contrary, if this game is not handled properly, it may cause lung damage to a very few people such as "bamboo pole" body types. "Those who are thin and tall need to be especially careful. People with this physique may have bullae when their lungs are developing. If they hold their breath for too long, the bullae may rupture and cause pneumothorax, that is, gas enters the pleural cavity, causing air accumulation, which may affect the patient's breathing. Although the incidence rate is very small, this possibility cannot be ruled out." If pneumothorax unfortunately occurs, the patient will need to have surgical chest vacuum or intubation to expel the chest gas. "The storage function of the human lungs is very powerful and can fully meet the body's normal supply. No special exercise is needed. Each person's cardiopulmonary function is related to height and weight. It is not scientific to judge lung capacity based solely on how many '8's you can type while holding your breath." Guo Xuejun said that this kind of "lung capacity test" is not scientific for a one-time test, but it is a good way to do a dynamic test. "For example, if you can hold your breath and type 5 rows of '8's this time, test it again in half a year or a year. If you can only hold your breath and type 3 or 4 rows, then it proves that your lung function has weakened during this period, otherwise it has strengthened." Tips: Don't smoke and exercise more to enhance cardiopulmonary function. Guo Xuejun introduced that holding your breath is related to not only physical fitness, but also psychological factors, endurance and other factors. Don't blindly believe in the saying that the longer you hold your breath, the healthier you are. "It is normal for most people to hold their breath for more than 20 seconds." But he also admitted that smokers' lung capacity is indeed weaker, especially those who have been smoking for more than five or six years or are over 40 years old. If someone needs to dive, go to the plateau or have surgery, and needs a scientific measurement of lung capacity, he recommends that it is best to go to the hospital for a special test. "The hospital's lung function test can estimate the expected value based on each person's height, weight, age, gender and other factors, and then compare the actual value detected to determine whether the lung function is normal." However, he also introduced a simple method and suggested that interested readers might as well try it. "People with normal body shape should not be out of breath when climbing stairs at a normal pace and climbing 3 to 4 floors in one breath. Otherwise, you should go to the hospital for a check-up." Regarding the methods of exercising lung capacity that everyone is concerned about, Guo Xuejun said that appropriate physical exercises such as walking, jogging, and playing ball can effectively enhance cardiopulmonary function. In addition, he also advised smokers to quit smoking as soon as possible, which will help restore cardiopulmonary function. As a winner of Toutiao's Qingyun Plan and Baijiahao's Bai+ Plan, the 2019 Baidu Digital Author of the Year, the Baijiahao's Most Popular Author in the Technology Field, the 2019 Sogou Technology and Culture Author, and the 2021 Baijiahao Quarterly Influential Creator, he has won many awards, including the 2013 Sohu Best Industry Media Person, the 2015 China New Media Entrepreneurship Competition Beijing Third Place, the 2015 Guangmang Experience Award, the 2015 China New Media Entrepreneurship Competition Finals Third Place, and the 2018 Baidu Dynamic Annual Powerful Celebrity. |
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