. Consider some of the following substances that cause allergic reactions: Pollen Pollen is one of the leading causes of seasonal allergies. My concentrator has a warning light and alarms for a few minutes when I turn it on, then it goes away. Even people without allergies notice the difference this super cleaned air makes in the bedroom. Most allergy and asthma symptoms occur during the night when we are trying to rest. Multiple chemical sensitivity is derived through exposure to chemicals in the
environment. If you use a humidifier, either the jar is not twisted tightly to the cap, or the.
Consider some of the.
