Does My Diet Fit My Genes?

The new science of nutrigenomics has some answers. It explains why fat and caffeine are worse for some than others

You are what you eat, or so the saying goes. But a new generation of molecular biologists is starting to give that old adage a decidedly high-tech twist. By combining the latest discoveries in human genetics with a deeper understanding of the hundreds of compounds found in food, investigators have begun to tease apart some of the more complex interactions between your diet and your DNA. In the process, they hope eventually to give consumers more personalized advice about what to eat and drink to stave off heart disease, cancer and other chronic conditions of aging. "We are trying to put...

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