radiation

Foods from Fukushima, Japan, are back to pre-accident levels of radiation but people still aren't eating them. One way to ease concerns: a chemical that blocks radioactive cesium from entering plants.

A single X-ray or CT scan exposes a person to just a tiny bit of radiation, but over time, that exposure can add up to increased rates of cancer --…

DURHAM, N.C. – Women over the age of 70 who have certain early-stage breast cancers overwhelmingly receive radiation therapy despite published evidence…

Three weeks of radiation works just as well as six weeks for most women with early stage breast cancer. But doctors have been slow to make that switch. Money may be one big reason why, a study says.

Supporters of the controversial, high-priced treatment say routine coverage would help propel research that would support its use. Skeptics say that approach is backward.

Pilots and flight attendants in some countries are classified as "radiation workers" because of their extra exposure to cosmic rays. Scientists say these frequent fliers may face greater risks.