16 February 2010
#47 Donate blood
Required time:
30 minutes on a weekday. Might take a bit longer on weekends and holidays.
Cost:
About 4,5dl of your blood that you lend out but that you'll get back shortly since your body replenishes its supplies.
Cons:
You might feel a bit tired and woozy. Some have a phobia of needles and if so it might feel a bit unpleasant.
Pros:
You force your body to renew it's blood, which is good for your body. They give you a couple of lottery tickets, a snack and some rest, plus a bunch of nurses look after you. 
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