Stressful experience may result in the inception of asthma, exacerbations, and. inadequate control. In this article we explore the relationship between psy-. chologic stress as an exacerbating factor of asthma and the mechanisms through. which this relationship may exist.
That sort of thing takes months or years. As for brain surgery, many last several hours. If done right, the type of brain surgery known as Deep Brain Stimulation takes at least six or seven hours, to implant electrodes in the target area of the brain.
Fun Fact. During brain surgery, a surgeon has to be extremely cautious, or careful not to damage any part of the medulla. Although damage to other parts of the brain can be dealt with accordingly, damage to the medulla is the hardest to fix because of the many important functions that it carries out. Brain Made Simple l Contact