Are autoimmune diseases fatal? Normally, your immune system fights off disease and protects your body from infection. However, when you have an autoimmune disease, your immune system ...

Here's why 40% of heart attacks show atypical symptoms like jaw pain, fatigue, and arm heaviness, and how early recognition can save lives.

A blood clot in the arm can lead to symptoms of pain, swelling, and skin discoloration, sometimes with visibly bulging veins and shoulder or neck discomfort. The clot, called a deep vein thrombosis ...

Eric Dane has revealed that he has lost the function of his right arm because of ALS. Here is what you should know about the disease, its symptoms, causes, and risks associated with it.