Pulmonary function tests are a group of noninvasive breathing tests that measure how much air your lungs can hold, how quickly you can move air in and out and how efficiently your lungs transfer ...

Breath tests could detect cancer at an early stage, according to a new study using sensors and artificial intelligence.

Good breathing is at the heart of good health. When asthma or shortness of breath appears, a person might be sent for pulmonary function tests. Arlene Dunlap of Piscataway, N.J. knows those tests well ...

When you breathe out, you’re not just releasing carbon dioxide. Your breath carries a complex mix of volatile organic compounds, or VOCs—tiny molecules that come from normal body processes. These ...

A breathing test can help people learn how many calories they consume each day and form a plan to lose weight. Many people fail at diets because they don't know how many calories they can consume per ...

People sometimes say that they are out of breath because they are "poor stamina" or because they are older, heavier, or stressed. But just like the heart, the lungs can start to lose fitness without ...

A patient’s inability to count while holding their breath can be an indication of respiratory distress in myasthenia gravis. A simple breathing and counting exercise may be a meaningful tool to ...

Study found that that breath samples from children with asthma could predict intestinal abundance of a bacterium, Eubacterium siraeum, linked to the condition.

Dear Doctor K: My doctor ordered breathing tests to see if I have asthma. He didn't tell me what it's like to go through this. Can you explain? Dear Reader: The tests your doctor almost surely is ...

Using cutting-edge breath sampling, scientists have achieved a breakthrough in diagnosing lower respiratory tract infections with an in vitro assay that could transform patient care in ICUs worldwide.