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.
Pulmonary tuberculosis is an airborne disease that affects 10 people out of every 100,000 people in the United States, says MedlinePlus. This disease occurs when a person inhales infected respiratory droplets. Symptoms of pulmonary tuberculosis include coughing up blood or phlegm, excessive night sweats, fever, weight loss and tiredness. This disease can also lead to chest pain, wheezing and problems breathing. The exact cause for pulmonary tuberculosis is the Mycobacterium tuberculosis bacteria.