High-intensity exercise, Measles, Teeth whitening, Voice-lift - a podcast by BBC Radio 4

As High Intensity Exercise regimes hit the news headlines, Inside Health sceptic Dr Margaret McCartney reviews the evidence for short sharp workouts.

With new legislation restricting the use of teeth whitening products, Dr MArk Porter examines the science behind a brighter smile.And misconceptions around so called 'Voice Lifts'. They are not designed to cosmetically rejuvenate the ageing voice, but to help people with real conditions that cause paralysis of the vocal chords.

Plus an update on the measles outbreak in Swansea.

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