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.
The pandemic flu virus spread around the world in several waves, causing illness in 20% to 50% of infected people and death in 1% to 5%. British Red Cross/Flickr

World War One’s role in the worst ever flu pandemic

The great influenza pandemic of 1918-19, often called the Spanish flu, caused about 50 million deaths worldwide; far more than the deaths from combat casualties in the World War One (1914-18). In fact…

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