Radiation May Be Unnecessary for Many Breast Cancer Patients

Doctors have already begun reducing radiation treatment for women at low risk of recurrence or spread of the disease. A new study finds that some women at greater risk can safely avoid radiation.

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Radiation Fears Bring MAHA and MAGA Movements Into Conflict

The Trump administration is considering tighter safety rules on the weak radiations of cellphones even as it pursues looser regulations on the deadly emanations of the nuclear industry.

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In a Looming Nuclear Arms Race, Aging Los Alamos Faces a Major Test

The lab where Oppenheimer developed the atomic bomb is the linchpin in the United States’ effort to modernize its nuclear weapons. Yet the site has contended with contamination incidents, work disruptions and old infrastructure.

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Biden Completes a Course of Radiation Therapy for Prostate Cancer

Former President Joseph R. Biden Jr. began radiation therapy last month for an aggressive form of prostate cancer. It is unclear if his treatment has ended.

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Biden Is Receiving Radiation Therapy for Cancer

The former president, who was diagnosed with an aggressive form of prostate cancer in May, also had a cancerous lesion removed from his forehead recently.

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Nuclear Sites Dotted Across Ukraine Pose Threat of Radiation Disaster

Each day of war risks a strike on sites that could scatter radioactive material. Officials say one laboratory near the front has been hit dozens of times.

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Years After Japan’s Nuclear Disaster, People With Cancer Seek Answers

A survey has found hundreds of thyroid tumors, but Japanese officials say they are unrelated to the Fukushima meltdowns. Now they face a lawsuit.

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Walmart Recalls Frozen Shrimp After Radioactive Contamination Warning

The Food and Drug Administration urged consumers to discard packages of frozen shrimp sold in 13 states. A food safety expert said the risk to the public was low.

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Photos: What Atomic Bombs Did to Hiroshima and Nagasaki

What the world’s only atomic bombings, carried out by Americans, did to Hiroshima and Nagasaki.

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Radioactive Wasps Found at Nuclear Site in South Carolina Could Be a ‘Red Flag,’ Expert Says

Four radioactive wasp nests may indicate previously undetected environmental contamination at the decades-old Savannah River Site. Here’s what to know.

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