1. Bone system diseases
If you encounter an emergency when driving fast, the strong inertia when braking quickly will make people's head and upper body suddenly lean forward, which will easily hurt the neck and back muscles, cervical vertebrae and spine. If the road is uneven, frequent bumps will aggravate the wear of intervertebral discs and even cause trauma.
2. Cardiovascular and cerebrovascular diseases
The normal heart rate is about 70 beats per minute. But when the vehicle speed exceeds 8 km/h, the heart rate will increase to 100 ~ 1 10. When the vehicle speed is above 120km/h, the heart rate can exceed 1 10 times. Driving at high speed, especially for a long time, makes the heartbeat always in a high frequency state, and the heart will appear "fatigue" phenomenon, which is easy to cause heart disease.
In addition, if you drive fast for a long time, you have to make emergency response at any time. In addition to your arms, you have to keep your legs on the accelerator and brake at any time, which will also affect blood circulation.
3. Psychological barriers
Driving fast is a means for some people to vent their anxiety. Conversely, driving in Shaanxi for a long time will also change people's mood and induce impatience, irritability and other bad emotions. Over time, some people may have psychological barriers.
Therefore, when driving, try to keep a calm mind and relax slowly, which can not only adjust mood and relieve fatigue, but also protect health.
Tips
If you feel sleepy while driving, you can try the following methods.
(1) Eating and drinking: chewing gum, chocolate and mints are the first choice foods.
(2) daub: daub on forehead or temple with wind oil essence and cool oil. The cold feeling will make you feel refreshed.
(3) Singing while listening: Turn on the stereo while listening to music, and singing while listening can quickly drive away "drowsiness".