When to Have a Pulmonary Function Test?

Pulmonary function tests, also known as PFTs, are noninvasive tests that show how well the lungs are working. The test is performed to specifically measure the person’s lung volume, capacity, rate of flow and gas exchange. The results of the...

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food allergens

The Role of Gut Bacteria in Allergies

More than half of Americans live with allergies; and about 15 million of these people, including 5.9 million children, have food allergies. A food allergy occurs when one’s immune system identifies a food or substance that is ingested as a...

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