Difficult to detect and treat once the damage is done, carbon monoxide is known as the silent killer. This sneaky, toxic gas finds its way into your home through a wide range of seemingly harmless sources.
More Info... by email. wiseGEEK Slideshows. Inflammation of the small blood vessels of the body is known as leukocytoclastic vasculitis. This disorder causes damage to the blood vessels, leading to bleeding and sometimes damage to surrounding tissues.
Although the cause of ankylosing spondylitis is unknown, it is believed to involve a combination of genetic and environmental factors. More than 90% of those affected have a specific human leukocyte antigen known as the HLA-B27 antigen. The underlying mechanism is believed to be autoimmune or autoinflammatory.