Woman doing yoga

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Yet another reason to say "namaste": A small 2010 study found that regular yoga practice may reduce inflammation in the body. "Inflammation, which can be triggered by stress, can worsen allergy attacks," says immunologist Gailen D. Marshall Jr., MD, PhD, who recommends yoga to his stressed-out patients.

We asked yoga instructor Sara Gottfried, MD, for the three best moves to help you feel better.