Alveolar macrophages are immune cells that reside permanently in the air sacs (alveoli) of the lungs ... These mimics are ...

Smoking irritates and damages the lungs, leading to inflamed and narrowed airways. Over time, ... Emphysema is another type of COPD that results in damage to the air sacs (alveoli) in your lungs.

Critical COVID-19 Lung Symptoms. In critical COVID, which makes up about 5% of total cases, the infection can damage the walls and linings of the air sacs in your lungs.

Signs of pneumonia can vary from subtle to severe, but some of the most common symptoms include: Coughing: This can range ...

Bronchiectasis causes your airways, called bronchi, to become damaged and widened over time. When you have bronchiectasis, ...

If you are scared of lung inflammation, ... Pneumonitis is a condition that occurs when there is inflammation inside the tiny air sacs (alveoli).

When you have "popcorn lung," those tiny air passages get irritated and inflamed. That leads to scarring that makes them narrower. That makes it harder for you to get enough air.

The number of functioning alveoli—tiny air sacs where oxygen and carbon dioxide exchange takes place—gradually ... The connection between inflammation and lung aging appears bidirectional.

Dr. Radhika Banka, Consultant, Respiratory Physician at P.D. Hinduja Hospital, Mahim, tells India Today 10 ways how smoking ...

The lungs contain more than 300 million tiny, stretchy air sacs known as alveoli. Breathing in and out causes these air sacs to expand and deflate. Breathing out is usually an involuntary response ...

The air sacs relax and deflate when you exhale, moving air out of the lungs. COPD causes the airways to become narrowed, and less air flows in and out, making breathing difficult. This can occur ...

Their findings “provide a paradigm for the progression of structural lung disease,” Lal said, because it identifies the Lactobacilli as critical to regulating lung protease activity that is linked to ...