When people are frightened, the hormones in the kidneys increase, which will lead to a faster heartbeat, so they will be very scared after being frightened. Then the blood circulation of the body will also accelerate, and the muscles of all parts of the body will contract.

Insufficient blood supply generally leads to hypoxia, and irregular ventilation in the room generally leads to death. Therefore, if the blood supply to the brain is insufficient, it is usually necessary to have enough oxygen.

Improvement skills of symptoms of insufficient blood supply

1, improve bad living habits: patients with insufficient blood supply should first improve bad living and eating habits, and the general diet is mainly low-salt and low-fat food. Eat more fresh vegetables and fruits, and take part in outdoor sports, such as Tai Ji Chuan, walking and jogging.

2, insist on exercise: people with insufficient blood supply generally need to insist on exercise and do more aerobic exercise, which is conducive to the blood circulation of the brain. It is recommended to ensure adequate sleep. Lack of sleep usually affects the blood circulation of the brain.