A cure for seasonal allergies
As grass and tree pollen season comes to an end, allergist Dr. Ling Ling joins CBC's Nancy Carlson to discuss the next round of seasonal allergens, how to treat them and how it's possible to cure some of them.
0:45
0:23
2:32
0:35
2:09
7:19
2:29
1:34
2:14
2:03
