Know the symptoms and causes of cancer Worldwide, cancer is a disease in which most people die. The patients are the most vulnerable in the world today. For this reason, the World Health Organization World Cancer Day on 4 February every year as decided to celebrate, So the awareness of this terrible disease. Cancer is a terrible disease, which affected thousands of people come each year to stand at the threshold of death. Our goal is not to tell the pros and cons of cancer People aware of it so that no other person is not affected by the disease. All we have in mind and heart went to the disease is marked as a synonym for death. Due to ignorance we not able to detect the disease at the stage Because it is difficult to save the patient. It’s not so terrible, as we believe. The main causes of cancer Any irritation of *old age * tobacco * heritability of radiation effects * alcohol * infection * Obesity Signs set by WHO The World Health Organization, or WHO, the disease is considered to be frightening and it is reported that these symptoms can be identified. Be prolonged sore throat. * Persistent cough come. * Be stopped in swallowing food. * Fall lumpy body. * Be anywhere water or bleeding. * Changes in skin wart or mole instantaneous. * To change the sound. * Be a drop in weight. * Fever. Uncontrolled division of cancer cells To understand cancer, the earlier it is necessary to know what is the cause …? Our body is composed of numerous cells. These cells require extremely consistent Are divided and controlled by the system when they are not required, then do not divide it. No genetic changes in these cells come from the control system completely split ends And then our cells start dividing abnormally. The uncontrolled division of cells we call cancer. Arterial blood reaches the organs In the initial stage the cancer is in its first part, It gradually spread to other organs of the blood flowing through the arteries. This process is called Mtastesis. It is for this reason illness. Indeed, the spread of the cancer into four stages. In the initial stage the cancer in the first stage Is limited in its primary organ And in the final stages of this disease spreads to other organs of the body.