According to Mayo clinics website:
White blood cells (leukocytes) help fight infection in your body. A normal white blood cell count is between 4,500 and 10,000 cells per microliter. A high white blood cell count (leukocytosis) isn't a specific disease. But it may indicate an underlying problem that requires medical evaluation. Causes of a high white blood cell count include:
Infection
Use of certain medications, such as corticosteroids, antibiotics or anti-seizure drugs
Severe physical or emotional stress
Chronic bone marrow diseases such as a myeloproliferative disorder
Acute or chronic leukemia
Tissue damage, such as from burns
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'A simple way to take measure of a country is to look at how many want in.. And how many want out.'
England 's Prime Minister Tony Blair'
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