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Articles on Radiation

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A recent Canadian trial reports breast cancer over-diagnosis rates of up to 55 per cent, from routine screening mammograms. (Shutterstock)

Routine mammograms do not save lives: The research is clear

October is breast cancer awareness month. Women should know there is no reliable evidence that routine mammograms reduce death from breast cancer, and there’s good evidence that they cause harm.
A study found children are at greater risk of developing later cancers from radiation from CT scans. from www.shutterstock.com.au

Weighing the risks and benefits of CT scans in childhood

In a recent study of almost 11 million young Australians, we showed those exposed to a CT scan before the age of 20 had a small increase in cancer risk in the years after exposure.
Pocket your phone without worry. Phone image via www.shutterstock.com.

Why you can’t fry eggs (or testicles) with a cellphone

Did your holiday gift list include radiation-shielding undies to protect your privates from cellphone radio waves? A radiation expert explains they’re unnecessary – your phone won’t affect your fertility.
Tim Peake, Yuri Malenchenko and Tim Kopra are about to return to Earth after a six-month stay at the ISS. NASA/Victor Zelentsov

How much radiation damage do astronauts really suffer in space?

In theory, astronauts get the equivalent of a lethal x-ray dose during a six-month stay at the ISS. Here’s why we don’t have to worry too much though.

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