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Michael Mosley goes to physical and mental extremes in this entertaining documentary which unravels the biological, sensory and evolutionary mysteries of pleasure and pain.

On a journey to discover the truth about exercise, Michael Mosley reveals new and surprising truths about what it does to our bodies, and why we all respond differently to a workout.

A truly ambitious goal, Michael wants to live longer, stay younger and lose weight while making as few changes to his life as possible. Could the ancient idea of fasting hold the secrets to a longer, healthier life? 

Uncover the secret life of your digestive tract in this eye-opening and detailed exploration of a part of the body we normally never get to see. Enter the strange and mysterious world of the human stomach!