How are researches done in the field of causes and cancer treatment?
Many experiments have been done in the field of cancer, there are researches concentrate on carcinogens that are existed in surrounding environment ( water, dust, air, food, beverages , herbs , cleaning materials , industrial chemical materials , drugs, flavors, preservation components and chemical dyes.etc) to know its role in causing cancer. 1. research is being done in sequences stages including active methods and laboratory experiments, then some test animals or living beings which have single cell such as bacteria, or human cell on experiments plates or active products for researches then second stage through test animals upon many stages, then different applications through vital methods, if these experiment succeeded in all stages, hence they are discussed scientifically and pass on medical ethics committees as and an introductory to be applied on small samples of human during accurate ethical and investigative systems that are subjected to intensive supervision by neutral commi