As we all know, ink is the most important substance in newspaper printing. Just buy a newspaper and have a look, and the thick ink smell will come to the nose. The main components of ink are heavy metals, including lead, chromium, cadmium and mercury. If you put a newspaper on your meal, the toxic substances in the newspaper may pollute the food and do some harm to the human body. For example, lead can not only hinder the formation of human blood cells, but also enter brain tissue through blood, causing brain damage. When the lead in the body accumulates to a certain extent, mental disorders, nightmares, insomnia, headaches and other chronic poisoning symptoms will appear.
At the same time, the ink used in newspaper printing usually contains toxic organic solvents such as ethanol, isopropanol, toluene and xylene. Although these organic solvents will eliminate most of the hazards after drying, the residual parts will still pose potential dangers to the human body. Especially for newspaper color pages, the inking area is large, the ink layer is thick, and the residue of organic solvents will be more. If we inhale these substances for a long time during meals, it will not only cause indigestion, but also affect the central nervous system of the brain, which is very harmful to our health.
In addition, the ink contains a toxic substance called polychlorinated biphenyls, whose chemical structure is similar to the pesticide dichlorvos. When eating, when using newspaper to cushion the table, this substance will penetrate into the food and then enter the human body through the food. The chemical properties of polychlorinated biphenyls are quite stable, which are easily absorbed after entering the human body, and then accumulated, and it is difficult to be excreted. If the storage of PCBs in human body reaches 0.5 ~ 2 grams, it will cause poisoning. Eyelid edema is light, palms are sweating, and the whole body is covered with red pimples; In severe cases, nausea and vomiting, abnormal liver function, muscle aches all over the body, persistent cough and even death occur.
It should be noted that there is still a problem of spreading viruses in newspapers. Generally speaking, there are tens of thousands of bacteria and viruses in people's hands, and the dyes used in newspapers have strong adsorption, so viruses can easily stay in newspapers. When eating, if your hands or tableware come into contact with newspapers, you may eat bacteria in your stomach.
Solution strategy
It is a fact that office workers love reading newspapers, and it is also an indisputable fact that reading newspapers is useless and takes up space, but this does not constitute a reason for us to use newspapers as tablecloths. In fact, in order to prevent dust from falling on the desk, we clean the desk every morning when we come to the office. In that case, why not leave the work until after lunch? This will not only ensure your health, but also save you the trouble of cleaning the table. Why not?