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After spending nine months in space, two U.S. astronauts are finally preparing to return to Earth. But what challenges will they face after such a long time in microgravity?

Phil speaks with Professor Patrick Humbert, space biology expert and Director of the La Trobe Institute for Molecular Science, to explore how the human body adapts to space and what happens during the transition back to Earth.

Professor Humbert explains that while astronauts may seem to float effortlessly in space, the reality is far more complex. Long-term exposure to microgravity can lead to muscle and bone loss, fluid build-up, immune system changes, and even cognitive issues like brain fog. Space radiation also increases cancer risk.

To counteract these effects, astronauts follow strict exercise and nutrition plans while in orbit. However, once they return to Earth, they may struggle with balance issues and an increased risk of falls as their bodies readjust to gravity. Fortunately, most of these effects are reversible within days, weeks, or months.

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Phil O’Neil is joined by Brendan O’Neill, journalist & Editor of Spiked / Host of the Spiked podcast & author of ‘After the Pogrom: 7 October, Israel and the Crisis of Civilisation’, to dissect the stories making headlines in the U.K. & the world over the past week. 

You can keep up to date with Brendan’s most recent work by visiting the ‘Spiked’ website www.spiked-online.com

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As measles cases surge across the United States, largely due to declining vaccination rates, Phil speaks with Associate Professor Meru Sheel from the Sydney School of Public Health at the University of Sydney. They discuss what measles is, why it’s making a comeback, and how people can protect themselves.

With over 222 reported cases—mostly in unvaccinated children, according to the Centers for Disease Control—this outbreak is a serious public health concern. Tune in to learn more about the risks and the importance of vaccination.

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Phil O’Neil has a weekly chat with Sue Dodd from the Sydney Markets about what bargains are on offer at the markets this week.

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Phil O’Neil chats with Dale Sinden for the story behind today’s National Days for 14th March

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Historian, author, entertainer & singer-songwriter Jim Haynes joins Overnight each week with fascinating & informative stories of songs and songwriters.

This week Jim shines the spotlight on the story behind the standard ‘Fly Me To Moon’

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Phil chats with Lawson Dixon, General Manager of Black Dog Ride.

Each March, Black Dog Ride’s "1 Dayer" events take place nationwide, bringing mental health and suicide prevention into the spotlight. By 2018, over 6,500 riders participated across 40 regions.

The organization also runs an annual long-distance ride, engaging communities across Australia to spark vital conversations about mental health.

Year-round, dedicated volunteers continue raising awareness in local communities.

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Listen to the full show podcast

See omnystudio.com/listener for privacy information.