KCBS, in partnership with UCSF Health presents, As Prescribed, a weekly conversation with leading medical experts from UCSF Medical center and UCSF Benioff Children's Hospitals. 

If you have been sniffling and sneezing more often than you are used to, you're not alone. There's a scientific explanation why your allergy symptoms are lasting longer and may be severe. 

For more on why KCBS Radio's Bret Burkhart spoke with Dr. Michele Pham, Allergist and Immunologist with UCSF Health.