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.
Causes [edit]. An airborne disease can be caused by exposure to a source: an infected patient or animal, by being transferred from the infected person or animalâs mouth, nose, cut, or needle puncture. People receive the disease through a portal of entry: mouth, nose, cut, or needle puncture.n airborne disease is any disease that is caused by pathogens and transmitted through the air.