Ultraviolet (UV) radiation is a type of light. Sunlight has UV rays, along with other kinds of rays. Some light bulbs give off UV rays, too. UV light bulbs are used in tanning beds and lamps, some ...

Original Medicare Part A covers radiation therapy received as an inpatient in the hospital, Part B covers radiation therapy received as an outpatient in a clinic, and Part D may cover oral ...

A CT scan exposes your body to some radiation. That involves a small amount of risk, and it’s important to understand the issues. A CT scan uses what’s called “ionizing” radiation.

When you have cancer, though, some cells start to divide way too fast. That's where radiation therapy can help. It uses high-energy particles to make tiny breaks in the DNA of cancer cells to ...

It also created two new bands of radiation around the planet, researchers report in the February JGR Space Physics. Earth is encircled by two donut-shaped bands of particles called the Van Allen ...

Sometimes, both brachytherapy and external beam radiation therapy are used. The external beam radiation is usually given first, followed by brachytherapy. The stage and grade of the cancer are used to ...