Chronic obstructive pulmonary disease (COPD) is the fourth leading cause of death in the United States, most often caused by cigarette smoking or long-term exposure to air pollutants. While there is ...

Chronic obstructive pulmonary disease (COPD) is the fourth leading cause of death in the United States, most often caused by cigarette smoking or long-term exposure to air pollutants. While there is ...

The image shows the mucus layer (blue band) that protects the intestinal wall (pink) against bacteria and other things (dark blue at the top of the picture). The blue cells in the intestinal wall are ...

A low-fiber “Western diet” causes damage to the protective mucus barrier in the gut, and such damage can increase the risk of inflammation and infection. By studying the gut bacteria of people who ...