Due to the radiation emitted by the radioactive substance located beneath the ground surface. A radiation is emitted by radioactive substance and has the energy which can alter the normal functioning of the cell. If the tumor suppressor cell gets suppressed this result in the formation of cancer.
The best way to avoid the effect of radiation is to measure the amount of radiation in the underground. This can be achieved by consulting the concerned agency. Home construction needs to be done by measuring the radiation. If the emitting of radiation is high then it is not suitable to live.
This needs to be considered seriously while making the house for living to prevent the unwanted effect of Radiation.