A hot summer fan is essential, the fan can help us cool down, but many people use it when it is misunderstood, and it will affect the health of the body.
Long blowing fan, many people like to blow the electric fan for a long time. As everyone knows, when the electric fan is blown for a long time, the human body temperature will drop with the evaporation of sweat, which may cause colds, colds, abdominal pain, diarrhea and other diseases. It is advisable to use an electric fan for 0.5-1 hour at a time.
High speed blowing, In order to cool up as soon as possible, someone turn the fan to the highest speed and think that the wind is great. This is an inappropriate practice. When the temperature is over 30 °C, the air temperature is close to the normal body temperature. The wind blown by the electric fan is actually the high temperature wind. At this time, the body's heat should mainly be evaporated by the sweat, if the wind blows too much, the skin surface temperature drops, pore blocked, the sweat inside the body can't be emitted,but also feel hot, and appear fatigue, back pain and other symptoms, which is "sweating". Use electric fans, not high-speed high-speed air blowing, the correct way is to adjust to the middle and low gear, blowing gentle breeze is better.
When using a fan, you must pay attention to controlling use time and the wind wpeed. Do not adversely affect the body, and the result is not worth the loss.