I may have mentioned that when I leave South Africa, I'll drink a coke with every meal. I figure the coke will kill anything I'm eating. So far it's working. I haven't gotten any stomach parasites yet.

Sometimes the biggest problem is reading the labels. Coke on the left, Pepsi on the right. Those are glass bottles but if you look close you'll be able to tell that the Pepsi bottle has seen a lot of miles.