Disturbances in the inhalation process when swallowing food explains why people with chronic obstructive pulmonary disease (COPD) are susceptible to pneumonia, according to an online edition for girls and women aged 14 to 35 Pannochka. Net Especially patients are prone to poking during meals, says Roxana Diez from the University of Pittsburgh.

"In healthy people this happens when inhaling occurs when swallowing. Thus healthy always swallow on an exhalation. Thus, the air pressure in the larynx, which prevents the inhalation of food, "she explains..

In patients with COPD, the swallowing process is disturbed, because the food is inhaled into the nasopharynx and the larynx. Also, their swallowing process coincides with the exhalation, because of the reduced volume of the lungs.

Hozl - progressive chronic lung disease, provoked by smoking. There is no cure for the disease, but its symptoms include: breathing disorder, cough with sputum, inflammation of the respiratory tract.

The study involved 25 patients with different stages of COPD and 25 healthy people.

All participants ate nine wafers 10 teaspoons of pudding to determine swallowing of chewed and liquid food. Scientists have found the difference between groups of participants.

"For breathing during meals, there is a clear coordination of the upper respiratory tract to prevent food from getting into the airways. In patients with COPD, the process of breathing prevents the ingestion of food. The lungs of such patients are less elastic, which plays a role in the safety of swallowing, "says the author of health. Sumy. Ua.