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الموضوع: cancerالسر طان الجزء التانى

  1. #1
    عضو
    تاريخ التسجيل
    Nov 2009
    المشاركات
    1,206

    cancerالسر طان الجزء التانى

    Cancer is a kind of disease in which cells divide abnormally without
    control and may overrun other tissues. Through blood and other lymph
    system these cells spread in all over body. Cancer results in death if
    spread of cells is not controlled .

    Symptoms of Cancer



    Types
    The main types of cancer are sarcoma, carcinoma, lymphoma and myeloma, leukemia, central nervous system cancers. Sarcoma begins in muscle blood, vessels, cartilage, fat, bone, or any other connective or supportive tissue.
    Carcinoma begins in skin or tissues which cover internal organs.
    Lymphoma and myeloma begins in immune system cells.
    Leukemia starts in blood forming tissue as bone marrow, producing numerous abnormal blood cells and then they enter to blood.
    Central nervous system cancer begins into spinal cords and brain.
    origin
    Cancer has its origin in cell which is basic unit of human body. Body
    cells raise and divide within limit to keep body healthy. When they
    become old, they are replaced with new cells. Occasional ly change or
    damage in the DNA material of cell results in mutation production . It
    affects division and growth of cell. At this stage death of old cells
    stop but formation of new ones goes on. As a result extra cells produce
    a tumor, a mass of the tissues. In leukemia tumor is not formed.
    All tumors are not cancerous some of them are malignant and some of
    them are benign.
    Benign tumors are not cancerous and they can be removed. They often do not come back. The cells from these tumors do not spread in body.
    Malignant tumors are cancerous tumors .These cells can spread in
    to other parts of body. These cells increase suddenly. ****stasis means
    spreading cancer from one part to other one. Caners are named after
    their origin into a specific organ.e.g. Cancer beginning in the mouth
    is known as the oral cancer.
    Risk Factors of Cancer



    External factors causing cancer are:
    Tobacco
    Infectious organisms
    Radiation
    Chemicals
    Internal factors causing cancer are:
    Hormone
    Inherited mutations
    Immune conditions
    Mutations that occur from ****bolism

    If you are exposed to external factor and you are caught by the disease then ten or more years pass till cancer is detected.




    Treatment of Cancer



    Surgery, chemothera py or radiation, biological therapy, hormone therapy, and the target therapy treat cancer.
    The treatment provides you options. You have to decide that if
    you want to cure and control your disease or only get comfort. In early
    diagnosis cure is possible in middle stage control is achieved and at
    the last stage the person just wants to live comfortabl y. Your health
    in general, financial costs of treatment, reactions of the treatment,
    effect of treatment can be checked and then after consulting with your
    surgeon treatment is decided.

    Prevention of Cancer



    If
    cancer causes by heavy alcohol intake, or cigarette smoking then it can
    be prevented. The cancers related to physical inactivity , obesity,
    nutrition could be prevented. The cancers associated to infectious
    agents as human papillomav irous (HPV), hepatitis B virus (HBV), human
    immunodefi ciency virus (HIV), and others can be prevented through
    vaccines, behavioral changes, or antibodies . The sun ray protection can
    prevent various skin cancers.

  2. #2

  3. #3
    wrathfull
    زائر

    افتراضي ط±ط¯: cancerط§ظ„ ط³ط±ط·ط§ظ† ط§ظ„ط¬ط²ط، ط§ظ„طھط§ظ† ظ‰

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