Why should the room be ventilated?

Several symptoms of poor ventilation in the room: getting up early every morning, feeling depressed, disgusting and even dizzy; Family members are often prone to colds; Although I don't smoke, I often feel sore throat, foreign body sensation and poor breathing. Children at home often cough and sneeze, and their immunity decreases; Family members often have skin allergies and other ills, and they are produced in batches; My family got a disease, and after leaving this environment, my symptoms have obviously changed and improved. Newlyweds are often infertile and can't find out the reason; Pregnant women invent fetal malformation under normal pregnancy conditions; In a newly moved or renovated house, indoor plants are not easy to survive, and leaves are easy to wither and wither; After the new move, domestic pet cats, dogs and even tropical fish died inexplicably; Newly renovated homes and office buildings or newly bought furniture have a pungent and irritating smell, and the smell still remains for more than one year.

Influence of room ventilation: harmful gases such as carbon dioxide, dust, dander, dust mites and smoke in the air that has not been ventilated for a long time increase, oxygen decreases, formaldehyde and benzene pollution released by decorated walls, floors and furniture increases, and suspended pollutants of indoor inhalable fine particles increase. Influence of dampness and heat: Humidity and sweltering heat are hotbeds for the growth of bacteria and molds, which cause indelible harm to human body while growing. People are prone to rheumatism, arthritis and respiratory diseases, and their diet is also threatened, which is easy to cause pathological damage to the human body, and it is also a kind of destruction to the human spirit, which makes people feel bored, psychologically agitated and depressed, which has the greatest impact on the eyes and respiratory system and often feels uncomfortable. If the room is not ventilated and there are few or no windows, you can install a ventilator next to the door or on the door glass (of course, remove the glass) to keep the indoor air fresh. Humidifier and air filter are recommended indoors. Can also prevent green potted plants, often open air conditioning ventilation, alleviate the impact of air turbidity on people.