Possibly the best thing that you can do for your health!

Have a watch of this 10 min video.
Its called 23.5 hours and is possibly the best
thing that you can do for your health!

Click on the picture to watch the video. Enjoy!

(P.S. this guy has the most boring voice in the world,
and there is a bit of medical jargon,
but do yourself a favour and watch it to the end.)