Unexpected consequences when you eat snow

Recently, due to the influence of cold air, some places have had snowfall. We know, snow is ice crystals, falling when all the weather factors are met: low cold temperature but still moderate humidity for water to evaporate into the air.

Snow is normally white, which is because when the Sun's rays "hit" the snow, it is scattered by the numerous ice crystals and air pockets inside.

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At this point, almost all of the light is bounced back, out of the snow. Therefore, snow retains the color of sunlight as white.

However, snow has many different colors from yellow, red, black ... According to experts, the phenomenon of environmental pollution, the air is the main cause of the phenomenon of snow with such a strange color.

So if we should not eat yellow, black snow… then maybe with white snow – you can absolutely eat it. After all, they are water crystals that have been condensed and dropped.

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But the truth is that you shouldn't eat any kind of snow, even if it's white. This is also the result of a new study published in the journal Environmental Science by experts from McGill University in Montreal (Canada).

The reason given was On the way the rock crystals fall to the ground, they have inadvertently absorbed a lot of harmful substances, including dust, chemicals in the atmosphere.

According to United Nations statistics, 3.3 million people die each year from inhaling harmful substances and particles accidentally present in the air.

In addition, the presence of carbon monoxide (CO), sulfur dioxide, chlorofluorocarbons (CFCs), NO2 gas in industrial and vehicle waste makes the atmosphere smell bad and reduce visibility. distant.

Therefore, when you eat the falling snow, you are indirectly putting harmful substances into your body.

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According to experts, the pollutants in the air that can create enter the human body through inhalation, and also the food we consume. A new study by experts from McGill University in Canada has been conducted.

Accordingly, experts have simulated the phenomenon of snow falling in a closed chamber, called "snow chamber". The research team also "discharged" into the room environmental pollutants such as car exhaust, dust, exhaust gas ... and measured the amount of these substances remaining in the snow.

As a result, along with the organic carbon, concentrations of other toxic pollutants including benzene, toluene, ethylbenzene and xylene - allergenic substances during and after each test run.

Experts also found that, after just one hour of exposure, the level of pollutants in the snow also increased significantly because toxic substances were absorbed and trapped in crystals, air pockets inside the snow particles. Therefore, experts recommend that even if you really enjoy this phenomenon, you should not "taste" them for your own health.

Source: IFLScience

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