Fast food restaurants are popping up all over the planet, but nowhere are they more a part of the culture than in the U.S., be it a drive-through or sit-down restaurant. While individuals have different motivations for going to fast food chains, there are specific reasons why they've became so popular and remain so. Price When it comes to restaurant dining, fast food is nearly as cheap as it gets, so price is one of the primary reasons people frequent them.
For animal diseases, see Leucosis. Leukemia, also spelled leukaemia, is a group of cancers that usually begin in the bone marrow and result in high numbers of abnormal white blood cells. These white blood cells are not fully developed and are called blasts or leukemia cells.
Leukopenia (also known as leukocytopenia or leucopenia, from Greek Î»ÎµÏÎºÏÏ white and ÏÎµÎ½Î¯Î± deficiency) is a decrease in the number of white blood cells (leukocytes) found in the blood, which places individuals at increased risk of infection.ow white cell count may be due to acute viral infections, such as with a cold or influenza. It can be associated with chemotherapy, radiation therapy, myelofibrosis and aplastic anemia (failure of white cell, red cell and platelet production).