
Dr. Roger Friedman is a clinical professor of allergy, pediatrics and immunology at Nationwide Children's Hospital in Columbus, Ohio.
Website: http://studioonenetworks.com
Immunotherapy is a series of injections that helps build the body’s immunity to substances that trigger allergy symptoms. Each shot contains a tiny amount of the offending allergen. Over time, your immune system builds up a tolerance, which means that those sniffles and watery eyes lessen or even disappear. Since immunotherapy is a commitment — the entire course takes years — it’s...