The decrease in CD4 cells during HIV infection seems to be driven by immune activation, which does not always correlate with viral load. Experienced clinicians are all too familiar with the ...

Intestinal worms often lead to gastrointestinal symptoms, like diarrhea, because they live in your digestive tract. Other symptoms, such as a skin rash or problems breathing, also can occur, depending ...

A SIBO breath test can reveal if your chronic intestinal symptoms are caused by small intestinal bacterial overgrowth (SIBO). Jejunal aspiration—the removal and culture of a sample of intestinal fluid ...

Macro footage of tissue of filtering organ in people organism. Research of urinary system hematoxylin and eosin staining stock videos & royalty-free footage 00:21 Human kidney with blood vessel ...