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 special sensitivity that causes their lung tissue to react far more than is should to various stimulating factors or triggers. For this reason, people with are said to have "twitchy airways." Some symptoms that people with commonly experience are chest tightenings, difficulty inhaling a ....