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Next up on the Radio
Wednesday 21st October 2026
9:30 am - 10:00 amWednesday 21st October 2026
10:30 am - 11:00 amDr Karl joins Susan Graham-Ryan on ABC Townsville
Wednesday 21st October 2026
7:00 pm - 7:30 pmDr Karl joins Kelly Higgins-Devine on ABC Brisbane/Queensland
Thursday 22nd October 2026
9:30 am - 10:00 amDr Karl joins Rory McClaren on ABC Adelaide
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Swallowing chewing gum, taste buds and drinking milk
What happens if you swallow chewing gum? Plus: can a woman’s tastebuds change during and after pregnancy?; and can drinking milk cause osteoporosis?
Australian Geographic Popular sunscreen chemical can kill baby corals
Consider wearing zinc or covering up next time you’re snorkeling, says Dr Karl – one popular sunscreen chemical can be toxic for baby corals. ON A TRIP TO the Galapagos Islands, our guide asked us not to use sunscreen at one reef. He told us it was very fragile, and quite small, and that the […]
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Corn in poo, Keto diets and cancer causing meats
Why do some farts smell and some don’t? What are so many people developing gluten intolerance? Can you ever be 100% healthy with food? In this food and nutrition special, Dr Karl answers these questions and more with special guests dietitian Dr Kyra Sim and USA nutrition expert Yvette d’Entremont.
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Chewing gum, tank water tea and plastic in fish
Have any frozen people been brought back to life? If we eat fish that has eaten plastic, how will that effect us? Why do my eyes keep changing colours?
