As trees produce pollen, allergies bloom

If you've started to sniffle and sneeze, it might be because allergy season is here. It can start in Seattle around mid-February with tree pollen. Those who are more susceptible to grass and weed allergies will start to feel the effects in summer. Lahari Rampur, clinical assistant professor of allergy and immunology at the University of Washington School of Medicine, discusses symptoms and offers advice to relieve allergy sufferers' misery.