The answer is experience.
I hope it helped!
From Wikipedia:
"The Joint Commission is a United States-based nonprofit tax-exempt 501 organization that accredits more than 22,000 US health care organizations and programs. The international branch accredits medical services from around the world."
No, it's because we need to breathe. Your body needs oxygen. Air pressure has little to nothing to do with it as far as I know.
Answer:
Traumatic experiences often involve a threat to life or safety. Emotional abuse is more psychologically harmful than physical abuse.
Explanation:
The next thing to do is assist the situation until the police arrive.