Could climate change be making your allergies worse?

Spring is here and it is predicted to be another tough season for allergy sufferers. One study finds pollen counts have been increasing every year since 2000. Dr. Tara Narula joins "CBS This Morning" to discuss why climate change could be making your allergies worse and what you can do to alleviate your allergy symptoms.
Source: Health News: CBSNews.com - Category: Consumer Health News Source Type: news