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Right now, cancer is one of the most feared diseases in the world. In the early 1990s almost 6 million new cancer cases developed and more than 4 million deaths from cancers occurred. Also more than one-fifth of all deaths were caused by cancer and it has been predicted, by the American Cancer Society, that about 33% of Americans will eventually develop this disease. This is a huge disease that is killing people all over the world. The …

…cells. Some hormones created in humans can also cause cancer. High levels of estrogen, which is marked as a female hormone, can increase the chances of getting a cancer of the uterus (in women). Aflatoxin B is a substance produced by the mold Aspergillus that causes a number of cancer, but generally liver cancer. Many carcinogens have not been discovered but research is being done to discover other carcinogens to keep people aware and safe.