Carcinogens are the agent which tends to produce cancer. In shortly Carcinogens are cancer causing agents. In generally cancer is said to initiate by changes in Cell’s DNA. Few of them may be from genetically and some may be of outside factors such as Environmental factors as like tobacco use, physical activity infectious agents. All carcinogens may not affect the DNA but they directly effect on the body. Uncontrolled division cells or tissues leads to cancer or tumour. There are lots of treatments existed for treating cancer now a days like radiation therapy, surgery, Immunotherapy and vaccines. Cancer is among the most challenging inside invaders that our immune system encounters. Immune system works in protecting the body from various aspects. Immunotherapy is the major key to prevent against cancer and based on the fact that immune system can help fighting against potentially all types of cancer. People with weak immune system are more likely to get affected by cancer. Cancer immunotherapy attempts to stimulate the immune system to reject and destroy tumors, and the complexity of the regulation of the immune system gives rise to many different treatment approaches. You can submit articles in our peer reviewed Journal at http://scitechnol.com/submitmanuscript.php

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