Chronic fatigue syndrome (CFS) is a disease that causes you to become so fatigued (tired) you can't perform normal daily tasks...

Cancer survivors have worried and joked about the cloudy thinking they notice before, during and after chemo. This mental fog is...

Hepatitis C is a virus that often silently attacks your liver. Most people infected with the hepatitis C virus have no symptoms at all...

Epstein-Barr Virus (EBV) is a common human virus that causes infectious mononucleosis and plays a role in the emergence...

HHV-6 is particularly efficient at infecting infants and young children, and primary infection with the virus is...

Shingles is a skin rash caused by the same virus that causes chickenpox. This virus is called the Varicella zoster virus (VZV)...

Rosacea is a very common benign skin disorder that affects many people worldwide. The main symptoms of this facial condition...

Autism is a complex developmental disability that typically appears during the first three years of life and affects...

HIV infection is a chronic, progressive disease, caused by viral replication within CD4 positive cells...