Why is radioactivity dangerous?
Exposure to high levels of radioactivity for long periods of time will give you ‘radiation sickness’ which is fatal. The higher the level and longer the exposure the sooner you die. At lower exposures radioactivity will increase the risk of cancer occurring in your body in the future. The lower the exposure the lower the risk until at extremely low levels and under controlled conditions the negative risks to health can be outweighed by the benefits of radiation in diagnosing and treating other diseases and disorders.
