If you're struggling financially, here are five ways you could make some extra money from your body - without risking your health.

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When I was a student at a German University, some of the Brits there, myself included, sometimes went off and sold blood for 50 Marks for 500 ml. That was about £15 and could buy you quite a lot of beer them. The additional benefit was that you had less blood and got drunk on less beer - a double benefit.