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.

Radiation therapy is a cancer treatment that uses high-frequency waves to destroy cancer cells. Doctors determine the type and dose of radiation based on the type and location of the cancer, your ...

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 ...

Radiation-therapy-induced DNA damage in oral and rectal epithelial cells can be reduced via the nanoparticle-mediated local delivery of messenger RNA encoding for a damage-suppressor protein found ...

Visio in Microsoft 365 is a superb tool for creating custom diagrams to illustrate concepts that are difficult to explain through text. Here’s how to use it. It’s often much easier to convey ...

Radiation Protection of Patients (RPOP) – the leading resource for health professionals, patients and public on the safe and effective use of radiation in medicine. Health professionals can find ...

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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 ...

Free body diagrams do not need to be drawn to scale but it can sometimes be useful if they are. It is important to label each arrow to show the magnitude of the force it represents. The type of ...

The course provides an introduction to how radioactive substances and the physical properties of the atomic nucleus are used in medicine, both for diagnostics and therapy. The first lecture is ...

Radiotherapy to the head and neck causes temporary (or acute) side effects. Side effects can be mild or more severe, depending on the size of the area being treated and the length of your treatment.