Studies by researchers at Columbia University Irving Medical Center suggest that one of the immune system’s oldest branches, the complement system, and coagulation dysfunction, may be influencing the ...

Inflammatory bowel disease, in which the immune system attacks the gut, is a painful chronic condition that affects three million Americans. Rates of IBD are rising, and there's currently no cure. IBD ...

Share on Pinterest A study offers new clues on why long COVID persists in some individuals. krisanapong detraphiphat/Getty Images Despite the debilitating nature of long COVID, there is an absence of ...

In the early days of the New York Covid-19 outbreak, as March turned to April, hematologist Jeffrey Laurence was called to consult on the case of a 32-year-old bodybuilder. Nurses had noticed an odd ...

Inflammatory bowel disease, in which the immune system attacks the gut, is a painful chronic condition that affects three million Americans. Rates of IBD are rising, and there’s currently no cure. IBD ...