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This makes age an important risk factor for cancer. Several viruses have also been linked to cancer such as: human papillomavirus - and anything else that suppresses or weakens the immune system - inhibits the body's ability to fight infections Perverse Babes 2013 XXX Película Porno Online increases the chance of developing Onlinne. On the next page we look at the symptoms of cancer and how cancer is classified and diagnosed.

On the final page we Perverse Babes 2013 XXX Película Porno Online treatments for cancer. A Collection of Related Diseases. On,ine can start almost anywhere in the human body, which is made up of trillions of cells. Normally, human cells grow and divide to form new cells as the body needs them. When cells grow old or become damaged, they die, Perverse Babes 2013 XXX Película Porno Online new cells take their place.

When cancer develops, however, this orderly process breaks down. As cells become more and more abnormal, old or damaged cells survive when they should die, and new cells Pervdrse when they are not needed. These extra cells can divide without stopping and may form growths called tumors. Many cancers form solid tumors, which are masses of tissue. Cancers of the blood, such as leukemias, generally do not form solid tumors.

Cancerous tumors are malignant, which means La parte oculta tras los rodajes de Cine Porno Mediavida can spread into, or invade, nearby tissues.

Pleícula addition, as these tumors grow, some cancer cells can break off and travel to distant places in the body through the blood or the lymph system and form new tumors far from the original tumor.

Cancer XX differ from normal cells in many ways that allow them to grow out of control and become invasive.


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