Keyword Analysis & Research: radiation


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What does radiation do to a body?

Radiation particularly associated with nuclear medicine and the use of nuclear energy, along with X-rays, is 'ionizing' radiation, which means that the radiation has sufficient energy to interact with matter, especially the human body, and produce ions, i.e. it can eject an electron from an atom.

How dangerous is radiation?

Radiation itself is not very harmful, but it can do a great deal of damage when used nefariously. Radiation receives a bad public image because some people try to, and can, use the effects of radiation to harm others.

What is the most dangerous type of radiation?

Gamma rays are the most dangerous form of ionizing radiation. These extremely high energy photons can travel through most forms of matter because they have no mass. It takes several inches of lead -- or several feet of concrete -- to effectively block gamma rays.

How does radiation kill you?

Ionizing radiation—the kind that minerals, atom bombs and nuclear reactors emit—does one main thing to the human body: it weakens and breaks up DNA, either damaging cells enough to kill them or causing them to mutate in ways that may eventually lead to cancer.


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