Iowa, Fear is something inherent in humans that is more psychological. But there are people who live without fear is not because he’s smart to overcome fear, but because of the anatomy of his body like that. Who is he?

A mother in the United States suffer from a rare disease that makes it not have fear of threats. These conditions attract the attention of researchers to develop therapies for patients with post-traumatic stress. (more…)

Most people experience headaches due to anger. When anger arises, then the muscles become tense and the brain releases chemicals that can cause an explosion of energy. (more…)