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  Unique treatment for early stage breast cancer

Plastic Could Protect Astronauts from Deep-Space Radiation

Plastic shielding could help protect astronauts from harmful radiation on long journeys through deep space, new observations from a NASA moon probe suggest. Full story

Fewer CT scans for kids, but some still unnecessary

NEW YORK (Reuters Health) - After years on the rise, the number of CT scans performed on kids every year seems to have started falling, according to a new study. Full story

Hospitals aim to reduce kids’ radiation exposure

  Researchers who analyzed data in children under age 15 who had CT scans between 1996 and 2011 examined the frequency and level of radiation doses. They estimate that of the four million scans performed each year, more than 4,800 kids could develop future cancers as a result of radiation exposure. NB

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Trip to Mars would likely exceed radiation limits for astronauts

Pricey radiation no better post prostatectomy: study

NASA Moon Probe Sheds Light on Space Radiation Risks

First Manned Mars Mission Draws Flood of Applicants

'Dark Lightning' Zaps Airline Passengers with Radiation

Doctors don't often tell patients of CT scan risks

Warp Speed: What Hyperspace Would Really Look Like

Sunspot unleashes intense solar flare

Big Sunspot Unleashes Intense Solar Flare

Astronauts may use trash as radiation shield

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  Does breast cancer radiation raise risk of heart disease?

A new study suggests breast cancer radiation treatment can increase the risk of dying of heart disease before the age of 80, however, as NBC’s Dr. Nancy Snyderman says, radiation technology has evolved significantly since the study first began in 1958.

  Mastectomy may have less benefit than lumpectomy

MaAccording to a new study among early stage breast cancer survivors, those who receive a lumpectomy plus radiation and those who have a mastectomy both have similar rates of survival. The latest research indicates the more invasive surgery isn’t necessarily the better option.  NBC’s Dr. Nancy Snyde

  Boy plays harp for hospitalized mom, others

A young harpist plays for patients during his mother's radiation therapy sessions at an Indianapolis hospital. WTHR's Anne Marie Tiernan reports.

  Twin satellites to orbit Van Allen radiation belts

A pair of satellites armed to withstand an onslaught of cosmic rays is launched to orbit the planet's Van Allen radiation belts. NBCNews.com's Dara Brown reports.

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Related Photos

Former Marine Jack Wright, 88, sits at the wedding reception after marrying his girlfriend of 30 years, Shirlene King, 57, in Los Angeles
Former Marine Jack Wright, 88, sits at the wedding reception after marrying his girlfriend of 30 years, Shirlene King, 57, in Los Angeles

Former Marine Jack Wright , 88, sits at the wedding reception after marrying his girlfriend of 30 years, Shirlene King, 57, in the oncology radiation department of the Veterans Administration hospital in Los Angeles May 7, 2013. Wright is one of 11 remaining U.S. survivors of the Battle for Guadalca

Photos of the bride and groom lie on the cake table after former Marine Jack Wright, 88, married his girlfriend of 30 years, Shirlene King, 57, in Los Angeles
Photos of the bride and groom lie on the cake table after former Marine Jack Wright, 88, married his girlfriend of 30 years, Shirlene King, 57, in Los Angeles

Photos of the bride and groom lie on the cake table after former Marine Jack Wright, 88, married his girlfriend of 30 years, Shirlene King, 57, in the oncology radiation department of the Veterans Administration hospital in Los Angeles May 7, 2013. Wright is one of 11 remaining U.S. survivors of the

Shirlene King, 57, walks into the radiation oncology department of the Veterans Administration hospital in Los Angeles
Shirlene King, 57, walks into the radiation oncology department of the Veterans Administration hospital in Los Angeles

Shirlene King, 57, walks into the radiation oncology department of the Veterans Administration hospital in Los Angeles to marry her boyfriend of 30 years, former Marine Jack Wright, 88, May 7, 2013. Wright is one of 11 remaining U.S. survivors of the Battle for Guadalcanal in World War II. He decide