MARLO THOMAS
08/12/2013 08:00 am ET Updated Aug 13, 2013

The Real Reason Behind All Those Allergies, From Dr. Nancy Snyderman (VIDEO)

Chief Medical Editor for NBC News Dr. Nancy Snyderman explained why people have so many allergies these days when she joined me on Mondays With Marlo. The reigning hypothesis is the "hygiene hypothesis," which basically says that our environments are too clean. This leads our immune systems to over-regulate and unfortunately, produce an allergic reaction.

Click here for the full interview.

For more tips on optimizing your health, see Dr. Snyderman's healthy living tips:

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BEFORE YOU GO
Dr. Nancy Snyderman's Healthy Living Tips
PHOTO GALLERY
Dr. Nancy Snyderman's Healthy Living Tips


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