Despite dating back to 1500BC, the concept of mantra is relatively unknown in the Western World. Mantra, which is the repetition of one word, is said to decrease stress and anxiety as well as increase positive mood and feelings of relaxation.

Gemma Perry, a psychology researcher at Macquarie University, is a huge believer in the power of mantra and she joins John Stanley to explain just how powerful this ancient method can be.

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