J. Namazy M.D.
J. Namazy M.D.: Allergist Expert
Jennifer Namazy M.D. has a commitment to educating her patients in the treatment and prevention of allergies and asthma. She received her undergraduate degree from Cornell University and her medical degree from the University of Texas at Houston Medical School. She completed her internal medicine residency at Presbyterian Hospital of Dallas followed by an allergy and immunology fellowship at Scripps Clinic in La Jolla.

She is a member of multiple professional societies including the American Academy of Allergy, Asthma and Immunology, the American College of Allergy, Asthma and Immunology and is President of the San Diego Allergy Society.

She has authored articles in the management of allergic conditions in journals such as the Journal of Allergy and Clinical Immunology and the Annals of Allergy, Asthma and Immunology. She has also authored a chapter in the text Food Allergy.

Dr. Namazy is part of the faculty of Allergy and Immunology at the Scripps Clinic in La Jolla where she has a busy practice in addition to teaching responsibilities.

Find out more about her at homeallergy.com.
REVIEWS
  • Best Humidifiers
    Those humidifiers that made my list use cutting edge technology to try and reduce the risk of mold and other microorganisms from being sprayed into the air. Most have humidistats that allow control over room humidity. The majority also boast a lower noise level.

    In winter,‘tis the season to be CRANKY, particularly when the temperature begins to drop and the relative humidity falls to about 10%. Add to this the increased use of indoor heaters and your home environment begins to feel like the Sahara! Having a humidifier may reduce the irritating symptoms of dry, itchy eyes, nose, and skin. One study found the increase in air humidification from 10% to about 13% on an intercontinental flight resulted in the sensation of better air quality and fewer complaints of dry eyes and nose. With winter also comes the cold and flu season, so a humidifier may be necessary if you or a loved one suffers from one of the following: croup, whooping cough, bronchitis, sinusitis, or chronic cough.

    There are different methods to humidify room air. First is the evaporative method, one of the most popular, which uses a wick (also functioning as a filter) placed in a reservoir of water. With the help of a fan(s) water evaporates off the wick (assuming the room’s relative humidity is low). Once the relative humidity has reached a certain point the humidifier will shut off. These humidifiers give off a cool mist. Since no water is boiled they are also energy efficient. An ultrasonic humidifier uses a metal diaphragm which vibrates and sends water droplets into the air. Another type is the impeller humidifier that uses a rotating disc that sends water into a diffuser sending tiny droplets into the air. One frequent complaint of the ultrasonic and impeller humidifiers is there is no filtration system so minerals from evaporated water sometimes cause a fine white dust on objects in the room. The last type is the vaporizer. Remember the Vick’s vaporizer your parents used to place near your bed when you had a bad cold, leaving the room stinky with that menthol smell? It’s new and improved makes my “Best of the Best” and “Best of the Rest” categories. This humidifier boils water, releasing moisture into the air. It may not be the most energy-efficient but it is effective.

    Choosing a humidifier is easier once you answer the following questions:
    1. How many rooms are you trying to humidify?
    2. Is there a specific medical condition you are using it for?
    3. Is an “energy-efficient” model important to you?

    I will limit my review to the tabletop humidifiers that humidify single rooms. However, know that there are console humidifiers that have the power to humidify multiple rooms. You can even have a humidifier installed into a forced air furnace to humidify the whole house.

    Next, you have to decide, do you want “cool-mist” or “warm-mist”? This is where “What are you using it for?” becomes important. If you are using the humidifier for a medical problem, such as those listed above, a cool-mist humidifier may be your best bet, particularly if there is a child in the house. The last thing you want is a warm-mist humidifier to get knocked over. The boiling water will bring a howl from anyone nearby!

    Last, but certainly not least, my two cents. I am compelled as an allergist to end with a “warning”. Humidifiers can be a breeding ground for nasty mold and bacteria. Make sure to empty and clean the reservoir daily and refill it just before use. It’s ok to be obsessive about this, otherwise you run the risk of spraying mold and bacteria throughout your house and having an even bigger problem.

    Additionally, if you suffer from allergies to dust mites you may want to reconsider a humidifier or use it sparingly as needed. Dust mites thrive in overly humid environments. You don’t want these visitors taking a vacation in a tropical paradise your humidifier has created. So try to keep relative humidity between 30-50%.

    1. Norback D, lundgren T, Wislander G. Scand J Work Environ Health. 2006 Apr; 32(2):138-44.
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