Sciatica is pain caused by irritation of the sciatic nerve. The irritated nerve causes pain that runs down your leg from your lower back or hip. The sciatic nerve is formed by a group of nerves that run from the lower spine down the leg to the foot. Anything that irritates the nerve can cause sciatica.
List of Air Borne Diseases Photo Credit Jupiterimages/Comstock/Getty Images. A disease is classified as airborne when respiratory droplets from one person can easily contaminate the next person. Viruses, bacteria and fungus may be to blame for causing such diseases. Airborne transmission happens when the bacteria or virus travel on respiratory droplets or dust.
VA assumes that certain diseases can be related to a Veteran's qualifying military service. We call these presumptive diseases.. VA has recognized certain cancers and other health problems as presumptive diseases associated with exposure to Agent Orange or other herbicides during military service. Veterans and their survivors may be eligible for benefits for these diseases. 1  AL Amyloidosis. A rare disease caused when an abnormal protein, amyloid, enters tissues or organs. 2  Chronic B-cell Leukemias. A type of cancer which affects white blood cells. 3  Chloracne (or similar acneform disease)