Category: Radiation

It is because of property of fluids (liquid and gases) that molecules are loosely packed and physically move around in the medium to transfer energy (heat) this is convection wherein…

After radiotherapy or brachytherapy, your PSA should drop to its lowest level (nadir) after 18 months to two years. Your PSA level won't fall to zero as your healthy prostate…

The half-life of the radioactive cobalt produced is about 5 years, which is long enough to give the fallout plenty of time to settle before it decays and kills, but…

The typical CT radiation dose is 10 to 20 millisieverts (mSv), which is associated with a lifetime risk of fatal cancer of approximately one per 2,000 CT scans. How many…

That's because radon gas occurs naturally from the breakdown of uranium deep beneath the earth's surface. Obviously, certain areas of the country are more prone to radon than others depending…

At high doses, radiation therapy kills cancer cells or slows their growth by damaging their DNA. Cancer cells whose DNA is damaged beyond repair stop dividing or die. When the…

Radioactive decay (also known as nuclear decay, radioactivity, radioactive disintegration, or nuclear disintegration) is the process by which an unstable atomic nucleus loses energy by radiation. A material containing unstable…

Unexposed radiographic film should be stored in a cool, dry place away from light sources. The X-ray film must be positioned correctly inside a cartridge. It's important not to touch…

Most deformities were so severe the animals only lived a few hours. Examples of defects included facial malformations, extra appendages, abnormal coloring, and reduced size. Domestic animal mutations were most…

The warrior Toltecs conquered the region around 1200 and rebuilt the pyramid as their ceremonial center. The Aztecs later claimed it as their own, dedicating it to the god Quetzalcoatl.Sep…