Rheumatoid factor (RF) is a type of antibody, an immune system protein that helps the body fight foreign substances like bacteria and viruses, called antigens. Antibodies, also known as ...

Rheumatoid arthritis (RA) may cause inflammation in your eyes, leading to complications such as dry eyes, redness, and floaters, among others. Early treatment may prevent these conditions from ...

Aimee Pugh Bernard is affiliated with Immunize Colorado as a volunteer and unpaid board member. Every day, your immune system performs a delicate balancing act, defending you from thousands of ...

Vitamins and supplements like zinc and cod liver oil are often touted for their ability to boost your immune system, but Jeffrey Bland, the "father of functional medicine," says that's not actually ...

Another common feature: Patients with a number of autoimmune diseases, especially women, often suffer heart attacks and ...