In the type of specific phobia called "blood-injury-injection," there is an inherited vasovagal response and a tendency to faint due to

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In the type of specific phobia called "blood-injury-injection," there is an inherited vasovagal response and a tendency to faint due to a decrease in blood pressure. This response is triggered by the sight, thought, or anticipation of blood, injections, or other medical procedures. The vasovagal response causes the blood vessels to dilate and the heart rate to slow down, leading to a decrease in blood pressure and fainting. This response is thought to be an evolutionary adaptation that helped our ancestors survive predators by playing dead.

In the Type of Specific Phobia Called "Blood-Injury-Injection," There Is