Research on the role of External Factors as a cause of Cancer indicate the neither the Environment in general non Pollution in particular is responsible for a large fraction of Cancer Cases .
Rather ,DIET ,TOBACCO and other agents including medical and dental X- Rays ,as well as all drugs ,play significant roles in Cancer devlopment .
It's estimated that these agents causes 50 percent of all Cancer Causes .Thus Personal Choices (the Composition of Food in the Diet ,Tobacco use) figure prominently in the Cancer Equation .Education and Judicious changes in Lifestyles could prevent a high percentage of all Human Cancers .
