Net transmission black fungus can prevent PM2.5 experts say unscientific

Zhengzhou has been in a haze for several days, and many citizens have expressed concerns about air quality. At 3:25 pm yesterday, the Zhengzhou Meteorological Bureau issued an orange warning signal again. Many netizens said that “protecting the lungs” could not afford it.

The smog weather in many cities in the north caused a hot discussion among netizens, and a strategy to protect the lungs was also widely forwarded by netizens.

Weibo eat black fungus, pig blood can prevent PM2.5

According to the data, PM2.5 refers to particles in the atmosphere with a diameter less than or equal to 2.5 microns, also known as lung particles. PM2.5 has a small particle size, is rich in a large amount of toxic and harmful substances, and has a long residence time in the atmosphere and a long transport distance, so it has a great influence on human health and the quality of the atmospheric environment.

Weibo is certified as a member of the “Guangdong Provincial Traditional Chinese Medicine Committee Dietary Committee”. Zi Ziqiang’s blogger said that the human physiological structure determines that it has no filtering ability for PM2.5; there are about 50 PM2.5 particles entering the human body. % will deposit in the lungs, causing partial hardening of the lung tissue, which is a strong carcinogen and is extremely harmful to human health. He introduced several strategies to prevent PM2.5: wearing a mask, washing the lungs, eating cold black fungus, pig blood and so on.

The microblogging attracted many netizens to watch. @"苏小喵V": I think of the cruel facts of the PM2.5 explosion table in the north these days, I can't help but have a lung pain. It seems that I have eaten black fungus in the future.

@"狂狂付": Seeing this strategy, do you know if pig blood and black fungus really help lungs?

This view is not scientific. For Weibo, He Jiguo, deputy professor and associate professor of the Department of Nutrition and Food Safety of the College of Food Science, China Agricultural University, said that the main component of black fungus is fungus polysaccharide, which can adsorb pollutant particles in the air, but It is not digested in the digestive tract. "The pollution particles in the air are more in the respiratory tract, and the fungus polysaccharides can't work on it. It is not scientific to eat black fungus and pig blood to prevent PM2.5."

Yesterday afternoon, the national second-level nutritionist Hu Yang said that haze has a great impact on respiratory health. Black fungus and blood clots are rich in antioxidants. The use of these ingredients to clear the lungs and remove dust from the respiratory tract has been circulating in the private sector for a long time, but food cannot enter the respiratory tract. "It is the removal and the inability to collect evidence. The authenticity of this statement needs to be verified."

How to reduce the impact of air pollution on the body? Populus euphratica suggests eating more fruits and vegetables rich in vitamins and phytochemicals (generally vegetables and fruits with more conspicuous colors), such as grapes, oranges, purple cabbage, purple potatoes, and tomatoes.

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