Unfortunately, current treatment for the prevention of these cancers is radical . There is also the question of how insurance companies will deal with people with a known genetic predisposition. E. Changes in lifestyle can reduce the risk of cancer. There is much evidence that the tendency to get certain cancers is hereditary. Cancer-causing agents other than viruses are called carcinogens.
Mutagenic chemicals cause mutations.
In general, mutagens are carcinogens. Depletion of the ozone layer increases the amount of UV radiation that reaches the Earth s surface. The largest group of carcinogens are mutagenic chemical compounds. Substances from tobacco are known to cause more cases and types of cancer than any other single agent . Studies have shown that beta-carotene does not reduce the risk of lung cancer and death from lung cancer in nonsmokers and actually increases these risks in smokers.