More than 20 million Americans live with asthma and, according to the Asthma and Allergy Foundation of America, St. Louis is ranked as the “number-one asthma capital” in the country. The area also scores in the top 20 for the “most challenging place to live with spring allergies. Fortunately, you don’t have to suffer with allergies, asthma, sinus problems or other related conditions help is available. Robert Onder, MD, has been successfully treating people with these conditions since 1992. In fact, Allergy & Asthma Consultants have been engaged in research into new treatments for asthma and allergies for the last 10 years, so their patients receive the latest treatments as they become available.