around 4 are born in the world every second
Pnuemonia is a common respiratory infection caused by excess fluid in the lung sacs. The purpose of white blood cells are to fight off infections. When the white blood cell count in higher than normal, this means the persons body, in this case your sister, is fighting off an infection. Secretions are the body's way of clearing mucus out of the lungs. The two main ways to clear the mucus out of lungs are the mucocilary systems and basic coughing. Her body has a higher amount of secretions directly due to the respiratory infection. Draining fluid out of her lungs is the best option now if medications are not helping. The way to drain the fluid is by a nasal tube inserted through her nasal cavity typically done while one is put asleep by general anesthesia.
Well generally it will be a positive impact (Of course this generally depends on what the "Physical activity" is, it is generally good, reason being while exercising causes the brain to release endorphin's, as well as helping relax muscles and relieve physical tension, which can greatly help with stress.
Answer:
Roughly around 250,000 to 500,000 WORLDWIDE
But in the U.S alone about 3,000 to 49,000 (from 1976- 2006)
