The Compass Changing World, Changing Bodies Episodes Available now
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![](https://ichef.bbci.co.uk/images/ic/320x180/p0863x8n.jpg)
What is the secret to a longer life?
6/6 Five communities consistently outlive the rest of the planet boasting members aged 100+
![](https://ichef.bbci.co.uk/images/ic/320x180/p085dqk9.jpg)
Is height all in the mind?
5/6 Professor Cregan-Reid explores why people have grown so fast in the 20th Century
![](https://ichef.bbci.co.uk/images/ic/320x180/p084qwqp.jpg)
How modern life affects our sleep
4/6 How do we get a good nights sleep in an increasingly noisy world?
![](https://ichef.bbci.co.uk/images/ic/320x180/p07bkcyx.jpg)
How modern living is changing our faces
3/6 How our faces are evolving from jaws that are shorter to our teeth and eyes
![](https://ichef.bbci.co.uk/images/ic/320x180/p079x61v.jpg)
How modern life is changing our backs
2/6 How modern life has promoted back pain and why it is the number one cause of disability
![](https://ichef.bbci.co.uk/images/ic/320x180/p0798fwv.jpg)
How modern life is changing our feet
1/6 What modern living is doing to our feet and why our trainers may not be the best for them