Never before has our world been so connected or convenient. With the click of a button we can change the channel, drop the heat or book a trip to Barbados. Our food is grown, produced and plated-up to our exact liking. Drive-thrus, home deliveries, medical advances and the right to education.

In a short space of time, life has transformed to one of convenience. So why are we so stressed, overweight and dreaming of being free? Have we forgotten something our ancestors knew? Africa's Hadza tribe is the closest we'll get to looking into that past.

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