Eat as much like you would when you are the blacktop as possible. Your belly is used to a certain diet, which is created by the variety and abundance of your local markets. If your staple is X, and suddenly you are eatting almost none of it and trying to survive on Y, your guts might decide they don't like you any more. Immodium packs small, and is worth about it's weight in plutonium, skip gold. <img src="/images/graemlins/smile.gif" alt="" />

The biggest thing I would tell people is don't be suprised if you don't have the same craving for meats and greasy foods you might normally have. Thing about what you want after a very long day of heavy physical activity in the sun when it's about 100 degrees out and humid- do those eggs sound so good to you? Or do those tortillas and some weak tea sound really good, maybe with only a little bit of cheese?