Today, it is as much an accepted part of a Bogota Sunday as a tamale (a local favourite of rice, chicken, pork, egg and vegetables wrapped in a palm leaf) for breakfast.

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You also need to know how to break and beat an egg, perhaps chop vegetables, and employ the skills needed to follow a recipe.

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Other dietary factors which appeared to reduce lung cancer risk were raw and green vegetables, fruit and milk, but carrot, pumpkin, egg and coffee appeared to increase risk.

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