X-Rays: Useful in Medicine, Yet Harmful to the Body

They say today's medicinal technology is the best it as been. However, that does not make it 100% safe. For instance, X-ray machines enable us to see the body in a nonsurgical manner. But the radiation adds up over time. Even though there is not much in the amount o0ne is given for a broken bone, combined with the radiation in the air and matter we associate with, it can be harmful. The X-ray radiation can kill cells in your body. So, as a precaution, in dental x-rays, people wear lead vests to reduce exposure. So, even though x-rays are helpful in the medical field, thay must be handled with precaution.
Valuble Info From: http://science.hq.nasa.gov/kids/imagers/ems/xrays.html