Definition of leukemia:

Cancer that initiates in blood-forming tissue such as the bone marrow and sources for a great number of blood cells to be formed and penetrate in the bloodstream.

Anticipated latest cases and deaths from leukemia in the United States in 2009:
New cases: 44,790
Deaths: 21,870

Some types in leukemia:

Types of leukemia are based on its growth and development it's either acute or chronic. In acute it develops very fast get worst very soon in the chronic type it develops very slowly. It can also be classified on type of the white blood cell it affects. This usually commence in lymphoid cells or myeloid cells. Leukemia that has an effect on lymphoid cells is termed as lymphoid, lymphocytic, or lymphoblastic leukemia. Leukemia that has an effect on myeloid cells is termed as myeloid, myelogenous, or myeloblastic leukemia.

Some Factors:

Smoking: Smoking cigarettes raise the danger of acute myeloid leukemia.

Ancestor's history of leukemia:

It's uncommon for more than a person in a family to have leukemia. On the other hand, only a small number of people with chronic lymphocytic leukemia have a father, mother, brother, sister, or child who is also having this disease.

Human T-cell leukemia virus type I (HTLV-I):

Person with HTLV-I infectivity is at augmented danger of an exceptional type of leukemia identified as adult T-cell leukemia.

Symptoms:

Swollen lymph nodes, Fevers or night sweats, frequent infections, Feeling weak or tired
Bleeding and bruising easily, Swelling or discomfort in the abdomen, Weight loss for no known reason, Pain in the bones or joints are some of the symptoms.

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