metaproterenol: a bronchodilator (trade name Alupent) used to treat asthma and emphysema and other lung conditions; available in oral or inhalant forms; side effects include tachycardia and shakiness
bronchodilator: a drug that relaxes and dilates the bronchial passageways and improves the passages of air into the lungs
fanatic: a person motivated by irrational enthusiasm (as for a cause); --Winston Churchill