Heavy exposure to radiation can increase the risk of cancer or impair cognition and performance.

Under the draft proposal, the principle that exposure should be “as low as reasonably achievable” will be replaced with hard limits and special exceptions.

With the help of mannequins named Helga and Zohar and sensors placed inside a spacecraft, scientists have collected valuable data about radiation exposure for astronauts outside Earth’s sheltering ...

Radiation is energy that moves from one place to another in a form that can be described as waves or particles. We are exposed to radiation in our everyday life. Some of the most familiar sources of ...

I had breast cancer in my left breast 14 years ago.

A 1,300-pound NASA satellite is expected to crash through Earth's atmosphere March 10, 2026, with some of the spacecraft ...

More than half of breast cancer patients receive radiation as part of their treatment, but it may not help those with early-stage cancer, new research shows. Women who received a radiation course ...

Detected levels were 5,000 times lower than danger threshold. March 31, 2011— -- Milk from America's West Coast containing trace amounts of radioactive iodine is safe to drink, health officials ...

A Decision Score provides prognostic discrimination for 10-year locoregional recurrence, with rising score associated with ...

Forbes contributors publish independent expert analyses and insights. Paul Hsieh, M.D., covers healthcare economics, innovation, and policy. Radiologists have fielded numerous questions in recent ...

I had breast cancer in my left breast 14 years ago. I was treated with chemotherapy and radiation after a lumpectomy and the removal of 14 lymph nodes. I still have difficulty raising my left arm, ...