Beginning of Essay
is a condition of the bronchial tubes characterized by episodes of constriction and increased mucous production. A person with has bronchial tubes that are super sensitive to various stimuli, or triggers, that can produce symptom. In other words, tics have spec ....

Middle of Essay
.... while we’re lying down our airways narrow as a result of gravity changes. Also our lungs do not clear secretions as well at night, which leads to mucous retention, and that can increase the obstruction to air flow. Furthermore, at night our bodies produce smaller amounts of certain chemical that help to decrease airway spasms and keep airway tubes open. All of these factors add up to a greater chance of symptoms worsening at night. An asthma attack begins when the smooth muscles in the walls of the bronchial tubes start to tighten and narrow when they are exposed to a trigger when this bronchospasm occurs, air can’t flow into or out of the ....