Frequent exposure to electric fans can cause sneezing, runny nose, fatigue, headache, dizziness, insomnia, shoulder pain, loss of appetite and a series of other symptoms, which is called "fan disease". So what are the specific bad effects of blowing fans?
Blowing fans are easy to catch cold and flu
Blowing fan will make the body surface water evaporate quickly, the evaporation of water will make the body surface temperature drop quickly, so it is easy to catch a cold, especially if you have already caught a cold will aggravate the disease, and then is more serious when you sleep to eat.
Affect the secretion of body fluids and endocrine disorders
Blowing fan will only make the body surface temperature drop, sweat glands and pores will be closed, so that the internal temperature of the body still can not drop, but higher, there will be headaches and nausea and other symptoms.
Adverse effects on joints
Long-term blowing fan will feel joint pain, and even arthritis, because the temperature at the joints is very low when eating under the fan, and very high when leaving the fan, so a cold and a hot, the joints can not stand.
How to prevent the harm caused by blowing fans
Prevention of fan disease, the key is the scientific use of the fan.
1, the time should not be too long, 30 minutes to an hour; and the speed should not be too fast.
2, the fan should not blow directly on the human body, and do not be too close, after blowing for a period of time, you should change the position of the fan, or the body to change the orientation, so as to avoid local freezing for too long.
3, open the fan to sleep, really high temperatures, but also only shake the head breeze, and use the timing control; also, a lot of sweating, do not sit still and blow.
4, frail, children and long-standing illnesses, colds, arthritis patients, as far as possible without electric fans.
