The current disruption in basic foods has several causes, but prominent among these is the undermining of the U.S. dollar as a global currency.

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Drewnowski favors basic foods that are widely available year-round.

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Even spot prices of basic foods are providing relief.

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This means that eventually I may not even be able to eat the most basic of foods required to maintain an acceptable level of health free of unpleasant and distressing allergic reactions.

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As with any eating plan, it is important to pay attention to basic nutrition and choose the healthiest foods possible, so loading up on "fattening" food like ice cream, candy and fried food is not the best strategy.

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Scientists use at least 20 million rodents a year in experiments in the U.S., to test foods, drugs and chemicals and to unearth basic truths about the causation of disease and the functioning of the human immune system.

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"It's basic common sense, " said Michael Taylor, FDA deputy commissioner for foods and veterinary medicine.

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Using the basic principles of thermodynamics, it also speeds up the cooking process, and prevents foods from boiling over.

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