According to recent data, 1 in 5 people in America suffer from asthma or allergy symptoms. This means millions of Americans depend on fresh, clean air to enjoy a healthy, active lifestyle. We've compiled recent statistics on allergies and asthma in the U.S. to show you just how many people are affected, how much it costs, and associated risk factors. Some of the facts in this infographic may surprise you. For instance, asthma adds an estimated $7.9 billion in costs to businesses and the healthcare system in America. Check out the infographic to learn more about common triggers, risk factors, and prevalence of asthma and allergies in the United States.