foreign substances, commonly called allergens, which are harmless to most people. This causes symptoms that can range from just annoying to possibly life-threatening. Common allergens include some foods, dust, plant pollen, and medicines. In this episode, which will be the first in this series of discussions on allergies, our reporter Rose Mukonyo discusses with Dr. Peninah Musyoka, what brings about allergies to human beings and how to manage them.