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What is Cancer?

Cancer is a group of disease characterized by out of control cell growth. There are over 200 different types of diseases that can be called cancer. They have one thing in common that in every case normal cells have gone wild & lost their normal growth.

Cancer harms the body when damaged cells divide uncontrollably to form lump or masses of tissue called tumors (except in the case of leukemia)

There are several major types of Cancers:

Carcinomas form in the cells that cover the skin line of the mouth, throat, lungs & organs sarcomas are found in the blood, bone marrow & the spleen.

Lymphomas are found in the Lymphatic system.

Causes of Cancer

Cancer can be caused by various factors in our environment. These factors include a large number tobacco, tobacco smoke, asbestos fibers & other occupational hazards. Other causes are sunlight, Injury or repeated irritation, metal or plastic implants, flaws in the body immune system, genetic factor, some scientist believe viruses also.

Cancer’s 7 warning signs:

Change in bowel or bladder habits
A sore that dose not heal
Unusual bleeding or discharge
Thickening or lump in breast or elsewhere
Indigestion or difficulty in swallowing.
Obvious change in wart or mole
Nagging cough or hoarseness.

Treatment of Cancer

Cancer Treatment depends on the type of cancer, the stage of cancer, age, health status & additional personal characteristics

Surgery

Surgery is the oldest known treatment of cancer. If a cancer has not metastasized, it is possible to completely cure a patient by surgically removing cancer from the body. Once the disease has spread, it is nearly impossible to remove all of the cancer cells.

Radiation

Radiation treatment, also known as radiotherapy, destroys cancer by focusing high-energy rays on the cancer cells. Radiotherapy utilizes high-energy gamma – rays that causes damage to the molecules that make up cancer cells & leads them to commit suicide. Radiotherapy is used as a standalone treatment to shrink a tumor or destroy cancer cells & it is also used in combination with other cancer treatments.

Chemotherapy

Chemotherapy utilize chemicals that interfere with the cell division process - damaging proteins or DNA so that cancer cells will commit suicide. Cancer cells cannot recover from any chemical induced damage. Chemotherapy treatment occurs in cycle so the body has time to heal between doses. Chemotherapy can be combined with other treatment options.

Immunotherapy

Immunotherapy aims to get the body’s immune system to fight the tumor. Immunotherapy can also be considered non- specific if it improves cancer fighting abilities by stimulating entire immune system & it can be considered targeted if the treatment specifically tells the immune system to destroy cancer cells. Bone marrow transplantation cancer also is considered immunotherapy because the donor’s immune cell will often attack the tumor or cancer cells that are present in the host.

Gene Therapy

The goal of gene therapy is to replace damaged genes with ones that work to address a root cause of cancer. Gene therapy is a very young field.

Hormone Therapy

Several cancers have been linked to some types of hormones, most notably breast & prostate cancer. Hormone therapy is designed to alter hormone production in the body so that cancer cells stop growing or are killed completely.

How Cancer can be prevented?

Cancers that are closely linked to certain behaviors that is easiest to prevent. For examples, choosing not to smoke tobacco or drink alcohol significantly lower the risk of several types of cancer – most notably lung, throat, mouth & liver cancer.
Skin cancer can be prevented by staying in the shade, using sunscreen, protecting yourself with hat & shirt when in the sun.

Some cancer prevention is based on systematic screening in order to detect small irregularities or tumors as early as possible even if there are no clear symptoms present. Breast self examination, mammograms, testicular self examination & Pap smears are common methods for various cancers,

 
 
 
 
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